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142553124 = 223271921567
BaseRepresentation
bin10000111111100…
…11000000100100
3100221020110010100
420133303000210
5242443144444
622051224100
73350452530
oct1037630044
9327213110
10142553124
11735162aa
123b8a8030
13236c247c
1414d0abc0
15c7ace69
hex87f3024

142553124 has 108 divisors (see below), whose sum is σ = 434913024. Its totient is φ = 38561184.

The previous prime is 142553113. The next prime is 142553129. The reversal of 142553124 is 421355241.

It is not an unprimeable number, because it can be changed into a prime (142553129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90189 + ... + 91755.

Almost surely, 2142553124 is an apocalyptic number.

142553124 is a gapful number since it is divisible by the number (14) 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 142553124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217456512).

142553124 is an abundant number, since it is smaller than the sum of its proper divisors (292359900).

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

142553124 is a wasteful number, since it uses less digits than its factorization.

142553124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1598 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 142553124 is about 11939.5612984732. The cubic root of 142553124 is about 522.3868625563.

The spelling of 142553124 in words is "one hundred forty-two million, five hundred fifty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 361 399 532 684 722 798 1083 1197 1444 1567 1596 2166 2394 2527 3134 3249 4332 4701 4788 5054 6268 6498 7581 9402 10108 10969 12996 14103 15162 18804 21938 22743 28206 29773 30324 32907 43876 45486 56412 59546 65814 89319 90972 98721 119092 131628 178638 197442 208411 267957 357276 394884 416822 535914 565687 625233 833644 1071828 1131374 1250466 1697061 1875699 2262748 2500932 3394122 3751398 3959809 5091183 6788244 7502796 7919618 10182366 11879427 15839236 20364732 23758854 35638281 47517708 71276562 142553124