151622056 has 8 divisors (see below), whose sum is σ = 284291370. Its totient is φ = 75811024.

The previous prime is 151622039. The next prime is 151622069. The reversal of 151622056 is 650226151.

It can be written as a sum of positive squares in only one way, i.e., 150552900 + 1069156 = 12270^2 + 1034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9476371 + ... + 9476386.

Almost surely, 2^151622056 is an apocalyptic number.

It is an amenable number.

151622056 is a deficient number, since it is larger than the sum of its proper divisors (132669314).

151622056 is a wasteful number, since it uses less digits than its factorization.

151622056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18952763 (or 18952759 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 151622056 is about 12313.4908129255. The cubic root of 151622056 is about 533.2376352601.

The spelling of 151622056 in words is "one hundred fifty-one million, six hundred twenty-two thousand, fifty-six".