152051665 has 4 divisors (see below), whose sum is σ = 182462004. Its totient is φ = 121641328.

The previous prime is 152051659. The next prime is 152051677. The reversal of 152051665 is 566150251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111703761 + 40347904 = 10569^2 + 6352^2 .

It is a cyclic number.

It is not a de Polignac number, because 152051665 - 2⁵ = 152051633 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

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, 15205162 + ... + 15205171.

It is an arithmetic number, because the mean of its divisors is an integer number (45615501).

Almost surely, 2^152051665 is an apocalyptic number.

It is an amenable number.

152051665 is a deficient number, since it is larger than the sum of its proper divisors (30410339).

152051665 is an equidigital number, since it uses as much as digits as its factorization.

152051665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30410338.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 152051665 is about 12330.9231203507. The cubic root of 152051665 is about 533.7407891103.

The spelling of 152051665 in words is "one hundred fifty-two million, fifty-one thousand, six hundred sixty-five".