45256405 has 8 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 36085968.

The previous prime is 45256369. The next prime is 45256427. The reversal of 45256405 is 50465254.

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

It is a cyclic number.

It is not a de Polignac number, because 45256405 - 2²³ = 36867797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13207 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^45256405 is an apocalyptic number.

It is an amenable number.

45256405 is a deficient number, since it is larger than the sum of its proper divisors (9230027).

45256405 is a wasteful number, since it uses less digits than its factorization.

45256405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29795.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 45256405 is about 6727.2880865918. The cubic root of 45256405 is about 356.3636108357.

The spelling of 45256405 in words is "forty-five million, two hundred fifty-six thousand, four hundred five".