152302138 has 32 divisors (see below), whose sum is σ = 248976000. Its totient is φ = 69626304.

The previous prime is 152302127. The next prime is 152302153. The reversal of 152302138 is 831203251.

152302138 is nontrivially palindromic in base 15.

152302138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209131 + ... + 209857.

It is an arithmetic number, because the mean of its divisors is an integer number (7780500).

Almost surely, 2^152302138 is an apocalyptic number.

152302138 is a deficient number, since it is larger than the sum of its proper divisors (96673862).

152302138 is a wasteful number, since it uses less digits than its factorization.

152302138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 152302138 is about 12341.0752367855. The cubic root of 152302138 is about 534.0337034000.

Adding to 152302138 its reverse (831203251), we get a palindrome (983505389).

The spelling of 152302138 in words is "one hundred fifty-two million, three hundred two thousand, one hundred thirty-eight".