45872845 has 4 divisors (see below), whose sum is σ = 55047420. Its totient is φ = 36698272.

The previous prime is 45872837. The next prime is 45872857. The reversal of 45872845 is 54827854.

It is a happy number.

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 11168964 + 34703881 = 3342^2 + 5891^2 .

It is a cyclic number.

It is not a de Polignac number, because 45872845 - 2³ = 45872837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4587280 + ... + 4587289.

It is an arithmetic number, because the mean of its divisors is an integer number (13761855).

Almost surely, 2^45872845 is an apocalyptic number.

It is an amenable number.

45872845 is a deficient number, since it is larger than the sum of its proper divisors (9174575).

45872845 is an equidigital number, since it uses as much as digits as its factorization.

45872845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174574.

The product of its digits is 358400, while the sum is 43.

The square root of 45872845 is about 6772.9495052008. The cubic root of 45872845 is about 357.9743357277.

The spelling of 45872845 in words is "forty-five million, eight hundred seventy-two thousand, eight hundred forty-five".