152836865 has 4 divisors (see below), whose sum is σ = 183404244. Its totient is φ = 122269488.

The previous prime is 152836829. The next prime is 152836891. The reversal of 152836865 is 568638251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568638251 = 19 ⋅29928329.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 87291649 = 8096^2 + 9343^2 .

It is a cyclic number.

It is not a de Polignac number, because 152836865 - 2¹⁰ = 152835841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15283682 + ... + 15283691.

It is an arithmetic number, because the mean of its divisors is an integer number (45851061).

Almost surely, 2^152836865 is an apocalyptic number.

It is an amenable number.

152836865 is a deficient number, since it is larger than the sum of its proper divisors (30567379).

152836865 is an equidigital number, since it uses as much as digits as its factorization.

152836865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567378.

The product of its digits is 345600, while the sum is 44.

The square root of 152836865 is about 12362.7207765928. The cubic root of 152836865 is about 534.6579640415.

The spelling of 152836865 in words is "one hundred fifty-two million, eight hundred thirty-six thousand, eight hundred sixty-five".