152409665 has 16 divisors (see below), whose sum is σ = 186126336. Its totient is φ = 119784000.

The previous prime is 152409643. The next prime is 152409667. The reversal of 152409665 is 566904251.

It is a de Polignac number, because none of the positive numbers 2^k-152409665 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152409667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131840 + ... + 132990.

It is an arithmetic number, because the mean of its divisors is an integer number (11632896).

Almost surely, 2^152409665 is an apocalyptic number.

It is an amenable number.

152409665 is a deficient number, since it is larger than the sum of its proper divisors (33716671).

152409665 is a wasteful number, since it uses less digits than its factorization.

152409665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 152409665 is about 12345.4309361804. The cubic root of 152409665 is about 534.1593517424.

The spelling of 152409665 in words is "one hundred fifty-two million, four hundred nine thousand, six hundred sixty-five".