152139168 has 48 divisors (see below), whose sum is σ = 443741760. Its totient is φ = 50712768.

The previous prime is 152139167. The next prime is 152139173. The reversal of 152139168 is 861931251.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (152139161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87180 + ... + 88907.

It is an arithmetic number, because the mean of its divisors is an integer number (9244620).

Almost surely, 2^152139168 is an apocalyptic number.

152139168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

152139168 is an abundant number, since it is smaller than the sum of its proper divisors (291602592).

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

152139168 is a wasteful number, since it uses less digits than its factorization.

152139168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176106 (or 176092 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 152139168 is about 12334.4707223294. The cubic root of 152139168 is about 533.8431555527.

The spelling of 152139168 in words is "one hundred fifty-two million, one hundred thirty-nine thousand, one hundred sixty-eight".