152640275 has 6 divisors (see below), whose sum is σ = 189273972. Its totient is φ = 122112200.

The previous prime is 152640269. The next prime is 152640277. The reversal of 152640275 is 572046251.

It is not a de Polignac number, because 152640275 - 2¹⁰ = 152639251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152640277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3052781 + ... + 3052830.

It is an arithmetic number, because the mean of its divisors is an integer number (31545662).

Almost surely, 2^152640275 is an apocalyptic number.

152640275 is a deficient number, since it is larger than the sum of its proper divisors (36633697).

152640275 is an equidigital number, since it uses as much as digits as its factorization.

152640275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105621 (or 6105616 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 152640275 is about 12354.7672984966. The cubic root of 152640275 is about 534.4286269038.

The spelling of 152640275 in words is "one hundred fifty-two million, six hundred forty thousand, two hundred seventy-five".