151157556 has 144 divisors (see below), whose sum is σ = 442411200. Its totient is φ = 44573760.

The previous prime is 151157533. The next prime is 151157569. The reversal of 151157556 is 655751151.

It is a happy number.

151157556 is a `hidden beast` number, since 1 + 51 + 1 + 57 + 556 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 151157556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 561790 + ... + 562058.

It is an arithmetic number, because the mean of its divisors is an integer number (3072300).

Almost surely, 2^151157556 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 151157556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221205600).

151157556 is an abundant number, since it is smaller than the sum of its proper divisors (291253644).

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

151157556 is a wasteful number, since it uses less digits than its factorization.

151157556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 328 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The square root of 151157556 is about 12294.6149187358. The cubic root of 151157556 is about 532.6925469128.

The spelling of 151157556 in words is "one hundred fifty-one million, one hundred fifty-seven thousand, five hundred fifty-six".