152435665 has 4 divisors (see below), whose sum is σ = 182922804. Its totient is φ = 121948528.

The previous prime is 152435641. The next prime is 152435681. The reversal of 152435665 is 566534251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566534251 = 2281 ⋅248371.

It can be written as a sum of positive squares in 2 ways, for example, as 117483921 + 34951744 = 10839^2 + 5912^2 .

It is a cyclic number.

It is not a de Polignac number, because 152435665 - 2²⁷ = 18217937 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, 15243562 + ... + 15243571.

It is an arithmetic number, because the mean of its divisors is an integer number (45730701).

Almost surely, 2^152435665 is an apocalyptic number.

It is an amenable number.

152435665 is a deficient number, since it is larger than the sum of its proper divisors (30487139).

152435665 is an equidigital number, since it uses as much as digits as its factorization.

152435665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30487138.

The product of its digits is 108000, while the sum is 37.

The square root of 152435665 is about 12346.4839124343. The cubic root of 152435665 is about 534.1897246051.

The spelling of 152435665 in words is "one hundred fifty-two million, four hundred thirty-five thousand, six hundred sixty-five".