45538473 has 16 divisors (see below), whose sum is σ = 62905856. Its totient is φ = 29272320.

The previous prime is 45538457. The next prime is 45538483. The reversal of 45538473 is 37483554.

It is not a de Polignac number, because 45538473 - 2⁴ = 45538457 is a prime.

It is a super-4 number, since 4×45538473⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45538433) 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, 30615 + ... + 32067.

It is an arithmetic number, because the mean of its divisors is an integer number (3931616).

Almost surely, 2^45538473 is an apocalyptic number.

It is an amenable number.

45538473 is a deficient number, since it is larger than the sum of its proper divisors (17367383).

45538473 is a wasteful number, since it uses less digits than its factorization.

45538473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its digits is 201600, while the sum is 39.

The square root of 45538473 is about 6748.2199875226. The cubic root of 45538473 is about 357.1024429622.

The spelling of 45538473 in words is "forty-five million, five hundred thirty-eight thousand, four hundred seventy-three".