151331908 has 48 divisors (see below), whose sum is σ = 329938560. Its totient is φ = 59134464.

The previous prime is 151331899. The next prime is 151331989. The reversal of 151331908 is 809133151.

It is a self number, because there is not a number n which added to its sum of digits gives 151331908.

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, 27708 + ... + 32716.

It is an arithmetic number, because the mean of its divisors is an integer number (6873720).

Almost surely, 2^151331908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151331908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164969280).

151331908 is an abundant number, since it is smaller than the sum of its proper divisors (178606652).

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

151331908 is a wasteful number, since it uses less digits than its factorization.

151331908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 151331908 is about 12301.7034592775. The cubic root of 151331908 is about 532.8972788211.

The spelling of 151331908 in words is "one hundred fifty-one million, three hundred thirty-one thousand, nine hundred eight".