152708909 has 16 divisors (see below), whose sum is σ = 170758080. Its totient is φ = 135717120.

The previous prime is 152708873. The next prime is 152708911. The reversal of 152708909 is 909807251.

It is a de Polignac number, because none of the positive numbers 2^k-152708909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152708999) 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 15 ways as a sum of consecutive naturals, for example, 135422 + ... + 136544.

It is an arithmetic number, because the mean of its divisors is an integer number (10672380).

Almost surely, 2^152708909 is an apocalyptic number.

152708909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

152708909 is a deficient number, since it is larger than the sum of its proper divisors (18049171).

152708909 is a wasteful number, since it uses less digits than its factorization.

152708909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 152708909 is about 12357.5446185721. The cubic root of 152708909 is about 534.5087160286.

The spelling of 152708909 in words is "one hundred fifty-two million, seven hundred eight thousand, nine hundred nine".