45404261 has 16 divisors (see below), whose sum is σ = 53440128. Its totient is φ = 37766400.

The previous prime is 45404257. The next prime is 45404279. The reversal of 45404261 is 16240454.

It is not a de Polignac number, because 45404261 - 2² = 45404257 is a prime.

It is a super-2 number, since 2×45404261² = 4123093833912242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45404261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45404221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80366 + ... + 80928.

It is an arithmetic number, because the mean of its divisors is an integer number (3340008).

Almost surely, 2^45404261 is an apocalyptic number.

45404261 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45404261 is a deficient number, since it is larger than the sum of its proper divisors (8035867).

45404261 is a wasteful number, since it uses less digits than its factorization.

45404261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45404261 is about 6738.2683977414. The cubic root of 45404261 is about 356.7512776622.

The spelling of 45404261 in words is "forty-five million, four hundred four thousand, two hundred sixty-one".