152938538 has 16 divisors (see below), whose sum is σ = 237185664. Its totient is φ = 73904400.

The previous prime is 152938537. The next prime is 152938553. The reversal of 152938538 is 835839251.

It is a super-4 number, since 4×152938538⁴ (a number of 34 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (152938537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 18017.

It is an arithmetic number, because the mean of its divisors is an integer number (14824104).

Almost surely, 2^152938538 is an apocalyptic number.

152938538 is a deficient number, since it is larger than the sum of its proper divisors (84247126).

152938538 is a wasteful number, since it uses less digits than its factorization.

152938538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877.

The product of its digits is 259200, while the sum is 44.

The square root of 152938538 is about 12366.8321731962. The cubic root of 152938538 is about 534.7764961540.

The spelling of 152938538 in words is "one hundred fifty-two million, nine hundred thirty-eight thousand, five hundred thirty-eight".