45318444 has 24 divisors (see below), whose sum is σ = 106933680. Its totient is φ = 14936064.

The previous prime is 45318443. The next prime is 45318467. The reversal of 45318444 is 44481354.

It is a super-2 number, since 2×45318444² = 4107522733162272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45318443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20149 + ... + 22284.

It is an arithmetic number, because the mean of its divisors is an integer number (4455570).

Almost surely, 2^45318444 is an apocalyptic number.

It is an amenable number.

45318444 is an abundant number, since it is smaller than the sum of its proper divisors (61615236).

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

45318444 is a wasteful number, since it uses less digits than its factorization.

45318444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42529 (or 42527 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 45318444 is about 6731.8975036761. The cubic root of 45318444 is about 356.5263748865.

Adding to 45318444 its reverse (44481354), we get a palindrome (89799798).

The spelling of 45318444 in words is "forty-five million, three hundred eighteen thousand, four hundred forty-four".