45201865 has 8 divisors (see below), whose sum is σ = 56112840. Its totient is φ = 34914432.

The previous prime is 45201857. The next prime is 45201887. The reversal of 45201865 is 56810254.

It can be written as a sum of positive squares in 4 ways, for example, as 15912121 + 29289744 = 3989^2 + 5412^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45201865 - 2³ = 45201857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155724 + ... + 156013.

It is an arithmetic number, because the mean of its divisors is an integer number (7014105).

Almost surely, 2^45201865 is an apocalyptic number.

It is an amenable number.

45201865 is a deficient number, since it is larger than the sum of its proper divisors (10910975).

45201865 is a wasteful number, since it uses less digits than its factorization.

45201865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311771.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 45201865 is about 6723.2332251678. The cubic root of 45201865 is about 356.2203980738.

The spelling of 45201865 in words is "forty-five million, two hundred one thousand, eight hundred sixty-five".