151550631 has 48 divisors (see below), whose sum is σ = 250754400. Its totient is φ = 87588864.

The previous prime is 151550621. The next prime is 151550653. The reversal of 151550631 is 136055151.

151550631 is a `hidden beast` number, since 1 + 51 + 550 + 63 + 1 = 666.

It is not a de Polignac number, because 151550631 - 2¹⁴ = 151534247 is a prime.

It is a super-2 number, since 2×151550631² = 45935187512996322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151550595 and 151550604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151550621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106855 + ... + 108263.

It is an arithmetic number, because the mean of its divisors is an integer number (5224050).

Almost surely, 2^151550631 is an apocalyptic number.

151550631 is a deficient number, since it is larger than the sum of its proper divisors (99203769).

151550631 is a wasteful number, since it uses less digits than its factorization.

151550631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 151550631 is about 12310.5901970620. The cubic root of 151550631 is about 533.1538908912.

The spelling of 151550631 in words is "one hundred fifty-one million, five hundred fifty thousand, six hundred thirty-one".