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142145304 = 23375691487
BaseRepresentation
bin10000111100011…
…11011100011000
3100220110201200220
420132033130120
5242342122204
622034400040
73344133540
oct1036173430
9326421626
10142145304
1173267964
123b730020
13235ab962
1414c42320
15c72c1d9
hex878f718

142145304 has 64 divisors (see below), whose sum is σ = 407116800. Its totient is φ = 40514304.

The previous prime is 142145293. The next prime is 142145321. The reversal of 142145304 is 403541241.

142145304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94849 + ... + 96335.

It is an arithmetic number, because the mean of its divisors is an integer number (6361200).

Almost surely, 2142145304 is an apocalyptic number.

142145304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142145304 is an abundant number, since it is smaller than the sum of its proper divisors (264971496).

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

142145304 is a wasteful number, since it uses less digits than its factorization.

142145304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142145304 is about 11922.4705493450. The cubic root of 142145304 is about 521.8882337304. Note that the first 3 decimals are identical.

Adding to 142145304 its reverse (403541241), we get a palindrome (545686545).

The spelling of 142145304 in words is "one hundred forty-two million, one hundred forty-five thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 569 1138 1487 1707 2276 2974 3414 3983 4461 4552 5948 6828 7966 8922 10409 11896 11949 13656 15932 17844 20818 23898 31227 31864 35688 41636 47796 62454 83272 95592 124908 249816 846103 1692206 2538309 3384412 5076618 5922721 6768824 10153236 11845442 17768163 20306472 23690884 35536326 47381768 71072652 142145304