45450544 has 20 divisors (see below), whose sum is σ = 88168960. Its totient is φ = 22697280.

The previous prime is 45450529. The next prime is 45450563. The reversal of 45450544 is 44505454.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19354 + ... + 21574.

It is an arithmetic number, because the mean of its divisors is an integer number (4408448).

Almost surely, 2^45450544 is an apocalyptic number.

It is an amenable number.

45450544 is a deficient number, since it is larger than the sum of its proper divisors (42718416).

45450544 is a wasteful number, since it uses less digits than its factorization.

45450544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 45450544 is about 6741.7018622897. The cubic root of 45450544 is about 356.8724550719.

Adding to 45450544 its reverse (44505454), we get a palindrome (89955998).

The spelling of 45450544 in words is "forty-five million, four hundred fifty thousand, five hundred forty-four".