45413957 has 4 divisors (see below), whose sum is σ = 46036140. Its totient is φ = 44791776.

The previous prime is 45413947. The next prime is 45413959. The reversal of 45413957 is 75931454.

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 12397441 + 33016516 = 3521^2 + 5746^2 .

It is a cyclic number.

It is not a de Polignac number, because 45413957 - 2²⁰ = 44365381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45413957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45413959) 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, 310982 + ... + 311127.

It is an arithmetic number, because the mean of its divisors is an integer number (11509035).

Almost surely, 2^45413957 is an apocalyptic number.

It is an amenable number.

45413957 is a deficient number, since it is larger than the sum of its proper divisors (622183).

45413957 is an equidigital number, since it uses as much as digits as its factorization.

45413957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622182.

The product of its digits is 75600, while the sum is 38.

The square root of 45413957 is about 6738.9878320116. The cubic root of 45413957 is about 356.7766703906.

The spelling of 45413957 in words is "forty-five million, four hundred thirteen thousand, nine hundred fifty-seven".