151321564 has 12 divisors (see below), whose sum is σ = 271970104. Its totient is φ = 73615824.

The previous prime is 151321561. The next prime is 151321579. The reversal of 151321564 is 465123151.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151321561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511074 + ... + 511369.

Almost surely, 2^151321564 is an apocalyptic number.

It is an amenable number.

151321564 is a deficient number, since it is larger than the sum of its proper divisors (120648540).

151321564 is a wasteful number, since it uses less digits than its factorization.

151321564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022484 (or 1022482 counting only the distinct ones).

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

The square root of 151321564 is about 12301.2830225144. The cubic root of 151321564 is about 532.8851368234.

The spelling of 151321564 in words is "one hundred fifty-one million, three hundred twenty-one thousand, five hundred sixty-four".