45504489 has 4 divisors (see below), whose sum is σ = 60672656. Its totient is φ = 30336324.

The previous prime is 45504479. The next prime is 45504499. The reversal of 45504489 is 98440554.

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 an interprime number because it is at equal distance from previous prime (45504479) and next prime (45504499).

It is not a de Polignac number, because 45504489 - 2⁹ = 45503977 is a prime.

It is a super-2 number, since 2×45504489² = 4141317038302242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45504479) 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, 7584079 + ... + 7584084.

It is an arithmetic number, because the mean of its divisors is an integer number (15168164).

Almost surely, 2^45504489 is an apocalyptic number.

It is an amenable number.

45504489 is a deficient number, since it is larger than the sum of its proper divisors (15168167).

45504489 is a wasteful number, since it uses less digits than its factorization.

45504489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168166.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 45504489 is about 6745.7015202275. The cubic root of 45504489 is about 357.0135892323.

The spelling of 45504489 in words is "forty-five million, five hundred four thousand, four hundred eighty-nine".