45518044 has 96 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 17280000.

The previous prime is 45518009. The next prime is 45518047. The reversal of 45518044 is 44081554.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 45517997 and 45518015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45518047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301369 + ... + 301519.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^45518044 is an apocalyptic number.

45518044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45518044 is an abundant number, since it is smaller than the sum of its proper divisors (57443108).

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

45518044 is a wasteful number, since it uses less digits than its factorization.

45518044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 45518044 is about 6746.7061593047. The cubic root of 45518044 is about 357.0490351035.

Adding to 45518044 its reverse (44081554), we get a palindrome (89599598).

The spelling of 45518044 in words is "forty-five million, five hundred eighteen thousand, forty-four".