151521156 has 36 divisors (see below), whose sum is σ = 383810700. Its totient is φ = 50401728.

The previous prime is 151521151. The next prime is 151521163. The reversal of 151521156 is 651125151.

It can be written as a sum of positive squares in 2 ways, for example, as 132020100 + 19501056 = 11490^2 + 4416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (151521151) 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, 14190 + ... + 22458.

Almost surely, 2^151521156 is an apocalyptic number.

It is an amenable number.

151521156 is an abundant number, since it is smaller than the sum of its proper divisors (232289544).

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

151521156 is a wasteful number, since it uses less digits than its factorization.

151521156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8783 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 151521156 is about 12309.3929988444. The cubic root of 151521156 is about 533.1193243799.

The spelling of 151521156 in words is "one hundred fifty-one million, five hundred twenty-one thousand, one hundred fifty-six".