152975409 has 8 divisors (see below), whose sum is σ = 204171072. Its totient is φ = 101881680.

The previous prime is 152975399. The next prime is 152975413. The reversal of 152975409 is 904579251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152975409 - 2⁷ = 152975281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152975489) 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, 21909 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (25521384).

Almost surely, 2^152975409 is an apocalyptic number.

It is an amenable number.

152975409 is a deficient number, since it is larger than the sum of its proper divisors (51195663).

152975409 is a wasteful number, since it uses less digits than its factorization.

152975409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50967.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 152975409 is about 12368.3228046490. The cubic root of 152975409 is about 534.8194680130.

It can be divided in two parts, 15297 and 5409, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 152975409 in words is "one hundred fifty-two million, nine hundred seventy-five thousand, four hundred nine".