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142151960 = 235172361149
BaseRepresentation
bin10000111100100…
…01000100011000
3100220111001211102
420132101010120
5242342330320
622034450532
73344162126
oct1036210430
9326431742
10142151960
1173271965
123b733a48
13235b19b2
1414c44916
15c72e175
hex8791118

142151960 has 128 divisors (see below), whose sum is σ = 361584000. Its totient is φ = 50012160.

The previous prime is 142151959. The next prime is 142151981. The reversal of 142151960 is 69151241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953966 + ... + 954114.

It is an arithmetic number, because the mean of its divisors is an integer number (2824875).

Almost surely, 2142151960 is an apocalyptic number.

142151960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142151960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180792000).

142151960 is an abundant number, since it is smaller than the sum of its proper divisors (219432040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142151960 is a wasteful number, since it uses less digits than its factorization.

142151960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 142151960 is about 11922.7496828542. The cubic root of 142151960 is about 521.8963794653.

The spelling of 142151960 in words is "one hundred forty-two million, one hundred fifty-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 23 34 40 46 61 68 85 92 115 122 136 149 170 184 230 244 298 305 340 391 460 488 596 610 680 745 782 920 1037 1192 1220 1403 1490 1564 1955 2074 2440 2533 2806 2980 3128 3427 3910 4148 5066 5185 5612 5960 6854 7015 7820 8296 9089 10132 10370 11224 12665 13708 14030 15640 17135 18178 20264 20740 23851 25330 27416 28060 34270 36356 41480 45445 47702 50660 56120 58259 68540 72712 90890 95404 101320 116518 119255 137080 154513 181780 190808 209047 233036 238510 291295 309026 363560 418094 466072 477020 582590 618052 772565 836188 954040 1045235 1165180 1236104 1545130 1672376 2090470 2330360 3090260 3553799 4180940 6180520 7107598 8361880 14215196 17768995 28430392 35537990 71075980 142151960