45257863 has 4 divisors (see below), whose sum is σ = 51723280. Its totient is φ = 38792448.

The previous prime is 45257857. The next prime is 45257869. The reversal of 45257863 is 36875254.

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

It is an interprime number because it is at equal distance from previous prime (45257857) and next prime (45257869).

It is a cyclic number.

It is not a de Polignac number, because 45257863 - 2⁵ = 45257831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45257869) 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, 3232698 + ... + 3232711.

It is an arithmetic number, because the mean of its divisors is an integer number (12930820).

Almost surely, 2^45257863 is an apocalyptic number.

45257863 is a deficient number, since it is larger than the sum of its proper divisors (6465417).

45257863 is an equidigital number, since it uses as much as digits as its factorization.

45257863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465416.

The product of its digits is 201600, while the sum is 40.

The square root of 45257863 is about 6727.3964503365. The cubic root of 45257863 is about 356.3674377162.

The spelling of 45257863 in words is "forty-five million, two hundred fifty-seven thousand, eight hundred sixty-three".