45015544 has 16 divisors (see below), whose sum is σ = 96462000. Its totient is φ = 19292352.

The previous prime is 45015521. The next prime is 45015557. The reversal of 45015544 is 44551054.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401869 + ... + 401980.

It is an arithmetic number, because the mean of its divisors is an integer number (6028875).

Almost surely, 2^45015544 is an apocalyptic number.

It is an amenable number.

45015544 is an abundant number, since it is smaller than the sum of its proper divisors (51446456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45015544 is a wasteful number, since it uses less digits than its factorization.

45015544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803862 (or 803858 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45015544 is about 6709.3624138215. The cubic root of 45015544 is about 355.7302800674.

Adding to 45015544 its reverse (44551054), we get a palindrome (89566598).

The spelling of 45015544 in words is "forty-five million, fifteen thousand, five hundred forty-four".