152604565 has 4 divisors (see below), whose sum is σ = 183125484. Its totient is φ = 122083648.

The previous prime is 152604559. The next prime is 152604587. The reversal of 152604565 is 565406251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565406251 = 1279 ⋅442069.

It can be written as a sum of positive squares in 2 ways, for example, as 64657681 + 87946884 = 8041^2 + 9378^2 .

It is a cyclic number.

It is not a de Polignac number, because 152604565 - 2⁵ = 152604533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152604565.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15260452 + ... + 15260461.

It is an arithmetic number, because the mean of its divisors is an integer number (45781371).

Almost surely, 2^152604565 is an apocalyptic number.

It is an amenable number.

152604565 is a deficient number, since it is larger than the sum of its proper divisors (30520919).

152604565 is an equidigital number, since it uses as much as digits as its factorization.

152604565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30520918.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 152604565 is about 12353.3220228407. The cubic root of 152604565 is about 534.3869473521.

The spelling of 152604565 in words is "one hundred fifty-two million, six hundred four thousand, five hundred sixty-five".