45581479 has 4 divisors (see below), whose sum is σ = 45629584. Its totient is φ = 45533376.

The previous prime is 45581467. The next prime is 45581489. The reversal of 45581479 is 97418554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45581479 - 2¹³ = 45573287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45581429) 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, 22602 + ... + 24535.

It is an arithmetic number, because the mean of its divisors is an integer number (11407396).

Almost surely, 2^45581479 is an apocalyptic number.

45581479 is a deficient number, since it is larger than the sum of its proper divisors (48105).

45581479 is an equidigital number, since it uses as much as digits as its factorization.

45581479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48104.

The product of its digits is 201600, while the sum is 43.

The square root of 45581479 is about 6751.4057054809. The cubic root of 45581479 is about 357.2148220465.

The spelling of 45581479 in words is "forty-five million, five hundred eighty-one thousand, four hundred seventy-nine".