151631452 has 48 divisors (see below), whose sum is σ = 310641408. Its totient is φ = 63423360.

The previous prime is 151631443. The next prime is 151631477. The reversal of 151631452 is 254136151.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 151631452.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 245448 + ... + 246064.

It is an arithmetic number, because the mean of its divisors is an integer number (6471696).

Almost surely, 2^151631452 is an apocalyptic number.

It is an amenable number.

151631452 is an abundant number, since it is smaller than the sum of its proper divisors (159009956).

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

151631452 is a wasteful number, since it uses less digits than its factorization.

151631452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 824 counting only the distinct ones).

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

The square root of 151631452 is about 12313.8723397638. The cubic root of 151631452 is about 533.2486499226.

The spelling of 151631452 in words is "one hundred fifty-one million, six hundred thirty-one thousand, four hundred fifty-two".