150556257 has 12 divisors (see below), whose sum is σ = 217586304. Its totient is φ = 100317240.

The previous prime is 150556213. The next prime is 150556261. The reversal of 150556257 is 752655051.

It is a happy number.

150556257 is a `hidden beast` number, since 1 + 50 + 556 + 2 + 57 = 666.

150556257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150556257 - 2⁶ = 150556193 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (150556657) 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, 20908 + ... + 27170.

It is an arithmetic number, because the mean of its divisors is an integer number (18132192).

Almost surely, 2^150556257 is an apocalyptic number.

It is an amenable number.

150556257 is a deficient number, since it is larger than the sum of its proper divisors (67030047).

150556257 is a wasteful number, since it uses less digits than its factorization.

150556257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940 (or 8937 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 150556257 is about 12270.1367963035. The cubic root of 150556257 is about 531.9852646813.

It can be divided in two parts, 15055 and 6257, that added together give a palindrome (21312).

The spelling of 150556257 in words is "one hundred fifty million, five hundred fifty-six thousand, two hundred fifty-seven".