151021564 has 12 divisors (see below), whose sum is σ = 264400864. Its totient is φ = 75478464.

The previous prime is 151021529. The next prime is 151021613. The reversal of 151021564 is 465120151.

It is a happy number.

It is a super-3 number, since 3×151021564³ (a number of 26 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4669 + ... + 17995.

Almost surely, 2^151021564 is an apocalyptic number.

It is an amenable number.

151021564 is a deficient number, since it is larger than the sum of its proper divisors (113379300).

151021564 is a wasteful number, since it uses less digits than its factorization.

151021564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164 (or 16162 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 151021564 is about 12289.0831228371. The cubic root of 151021564 is about 532.5327497179.

The spelling of 151021564 in words is "one hundred fifty-one million, twenty-one thousand, five hundred sixty-four".