152661065 has 4 divisors (see below), whose sum is σ = 183193284. Its totient is φ = 122128848.

The previous prime is 152661053. The next prime is 152661083. The reversal of 152661065 is 560166251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560166251 = 233 ⋅2404147.

It can be written as a sum of positive squares in 2 ways, for example, as 66765241 + 85895824 = 8171^2 + 9268^2 .

It is a cyclic number.

It is not a de Polignac number, because 152661065 - 2¹² = 152656969 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, 15266102 + ... + 15266111.

It is an arithmetic number, because the mean of its divisors is an integer number (45798321).

Almost surely, 2^152661065 is an apocalyptic number.

It is an amenable number.

152661065 is a deficient number, since it is larger than the sum of its proper divisors (30532219).

152661065 is an equidigital number, since it uses as much as digits as its factorization.

152661065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30532218.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 152661065 is about 12355.6086454695. The cubic root of 152661065 is about 534.4528893225.

The spelling of 152661065 in words is "one hundred fifty-two million, six hundred sixty-one thousand, sixty-five".