45257406 has 8 divisors (see below), whose sum is σ = 90514824. Its totient is φ = 15085800.

The previous prime is 45257369. The next prime is 45257413. The reversal of 45257406 is 60475254.

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

45257406 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3771445 + ... + 3771456.

It is an arithmetic number, because the mean of its divisors is an integer number (11314353).

Almost surely, 2^45257406 is an apocalyptic number.

45257406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45257406 is a wasteful number, since it uses less digits than its factorization.

45257406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542906.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 45257406 is about 6727.3624846592. The cubic root of 45257406 is about 356.3662382159.

The spelling of 45257406 in words is "forty-five million, two hundred fifty-seven thousand, four hundred six".