151561156 has 6 divisors (see below), whose sum is σ = 265232030. Its totient is φ = 75780576.

The previous prime is 151561153. The next prime is 151561177. The reversal of 151561156 is 651165151.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 46703556 = 10240^2 + 6834^2 .

It is not an unprimeable number, because it can be changed into a prime (151561153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18945141 + ... + 18945148.

Almost surely, 2^151561156 is an apocalyptic number.

It is an amenable number.

151561156 is a deficient number, since it is larger than the sum of its proper divisors (113670874).

151561156 is a wasteful number, since it uses less digits than its factorization.

151561156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37890293 (or 37890291 counting only the distinct ones).

The product of its digits is 4500, while the sum is 31.

The square root of 151561156 is about 12311.0176671143. The cubic root of 151561156 is about 533.1662328937.

The spelling of 151561156 in words is "one hundred fifty-one million, five hundred sixty-one thousand, one hundred fifty-six".