45404273 has 4 divisors (see below), whose sum is σ = 45828720. Its totient is φ = 44979828.

The previous prime is 45404257. The next prime is 45404279. The reversal of 45404273 is 37240454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45404273 - 2⁴ = 45404257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45404279) 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, 212063 + ... + 212276.

It is an arithmetic number, because the mean of its divisors is an integer number (11457180).

Almost surely, 2^45404273 is an apocalyptic number.

It is an amenable number.

45404273 is a deficient number, since it is larger than the sum of its proper divisors (424447).

45404273 is a wasteful number, since it uses less digits than its factorization.

45404273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424446.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 45404273 is about 6738.2692881778. The cubic root of 45404273 is about 356.7513090911.

The spelling of 45404273 in words is "forty-five million, four hundred four thousand, two hundred seventy-three".