45025865 has 4 divisors (see below), whose sum is σ = 54031044. Its totient is φ = 36020688.

The previous prime is 45025861. The next prime is 45025907. The reversal of 45025865 is 56852054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23001616 + 22024249 = 4796^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 45025865 - 2² = 45025861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45025861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502582 + ... + 4502591.

It is an arithmetic number, because the mean of its divisors is an integer number (13507761).

Almost surely, 2^45025865 is an apocalyptic number.

It is an amenable number.

45025865 is a deficient number, since it is larger than the sum of its proper divisors (9005179).

45025865 is an equidigital number, since it uses as much as digits as its factorization.

45025865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005178.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 45025865 is about 6710.1315188303. The cubic root of 45025865 is about 355.7574648376.

The spelling of 45025865 in words is "forty-five million, twenty-five thousand, eight hundred sixty-five".