152650640 has 20 divisors (see below), whose sum is σ = 354912924. Its totient is φ = 61060224.

The previous prime is 152650591. The next prime is 152650651. The reversal of 152650640 is 46056251.

152650640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 116985856 = 5972^2 + 10816^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953987 + ... + 954146.

Almost surely, 2^152650640 is an apocalyptic number.

152650640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152650640 is an abundant number, since it is smaller than the sum of its proper divisors (202262284).

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

152650640 is a wasteful number, since it uses less digits than its factorization.

152650640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908146 (or 1908140 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 152650640 is about 12355.1867650797. The cubic root of 152650640 is about 534.4407233778.

The spelling of 152650640 in words is "one hundred fifty-two million, six hundred fifty thousand, six hundred forty".