45591457 has 4 divisors (see below), whose sum is σ = 46561536. Its totient is φ = 44621380.

The previous prime is 45591449. The next prime is 45591473. The reversal of 45591457 is 75419554.

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 45591457 - 2³ = 45591449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45591487) 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, 484969 + ... + 485062.

It is an arithmetic number, because the mean of its divisors is an integer number (11640384).

Almost surely, 2^45591457 is an apocalyptic number.

45591457 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

45591457 is a deficient number, since it is larger than the sum of its proper divisors (970079).

45591457 is an equidigital number, since it uses as much as digits as its factorization.

45591457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970078.

The product of its digits is 126000, while the sum is 40.

The square root of 45591457 is about 6752.1446222663. The cubic root of 45591457 is about 357.2408854794.

The spelling of 45591457 in words is "forty-five million, five hundred ninety-one thousand, four hundred fifty-seven".