151978032 has 60 divisors (see below), whose sum is σ = 441091560. Its totient is φ = 50658048.

The previous prime is 151977971. The next prime is 151978037. The reversal of 151978032 is 230879151.

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 (151978037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15657 + ... + 23432.

It is an arithmetic number, because the mean of its divisors is an integer number (7351526).

Almost surely, 2^151978032 is an apocalyptic number.

151978032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151978032 is an abundant number, since it is smaller than the sum of its proper divisors (289113528).

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

151978032 is an equidigital number, since it uses as much as digits as its factorization.

151978032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39112 (or 39094 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 151978032 is about 12327.9370537004. The cubic root of 151978032 is about 533.6546182217.

The spelling of 151978032 in words is "one hundred fifty-one million, nine hundred seventy-eight thousand, thirty-two".