152639901 has 24 divisors (see below), whose sum is σ = 232596000. Its totient is φ = 96191712.

The previous prime is 152639897. The next prime is 152639917. The reversal of 152639901 is 109936251.

152639901 is a `hidden beast` number, since 15 + 2 + 639 + 9 + 0 + 1 = 666.

It is not a de Polignac number, because 152639901 - 2² = 152639897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152639951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 120610 + ... + 121868.

It is an arithmetic number, because the mean of its divisors is an integer number (9691500).

Almost surely, 2^152639901 is an apocalyptic number.

It is an amenable number.

152639901 is a deficient number, since it is larger than the sum of its proper divisors (79956099).

152639901 is a wasteful number, since it uses less digits than its factorization.

152639901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 152639901 is about 12354.7521626296. The cubic root of 152639901 is about 534.4281904169.

The spelling of 152639901 in words is "one hundred fifty-two million, six hundred thirty-nine thousand, nine hundred one".