152641864 has 8 divisors (see below), whose sum is σ = 286203510. Its totient is φ = 76320928.

The previous prime is 152641859. The next prime is 152641883. The reversal of 152641864 is 468146251.

It can be written as a sum of positive squares in only one way, i.e., 101404900 + 51236964 = 10070^2 + 7158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9540109 + ... + 9540124.

Almost surely, 2^152641864 is an apocalyptic number.

It is an amenable number.

152641864 is a deficient number, since it is larger than the sum of its proper divisors (133561646).

152641864 is a wasteful number, since it uses less digits than its factorization.

152641864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19080239 (or 19080235 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 152641864 is about 12354.8316054894. The cubic root of 152641864 is about 534.4304813819.

The spelling of 152641864 in words is "one hundred fifty-two million, six hundred forty-one thousand, eight hundred sixty-four".