375145665 has 16 divisors (see below), whose sum is σ = 601546176. Its totient is φ = 199640000.

The previous prime is 375145643. The next prime is 375145697. The reversal of 375145665 is 566541573.

It is not a de Polignac number, because 375145665 - 2⁹ = 375145153 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20211 + ... + 34040.

It is an arithmetic number, because the mean of its divisors is an integer number (37596636).

Almost surely, 2^375145665 is an apocalyptic number.

It is an amenable number.

375145665 is a deficient number, since it is larger than the sum of its proper divisors (226400511).

375145665 is a wasteful number, since it uses less digits than its factorization.

375145665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54720.

The product of its digits is 378000, while the sum is 42.

The square root of 375145665 is about 19368.6774199995. The cubic root of 375145665 is about 721.2181443038.

The spelling of 375145665 in words is "three hundred seventy-five million, one hundred forty-five thousand, six hundred sixty-five".