45590144 has 16 divisors (see below), whose sum is σ = 90824370. Its totient is φ = 22795008.

The previous prime is 45590093. The next prime is 45590183. The reversal of 45590144 is 44109554.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 8526400 = 6088^2 + 2920^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×45590144² = 4156922459881472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 45590144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177959 + ... + 178214.

Almost surely, 2^45590144 is an apocalyptic number.

It is an amenable number.

45590144 is a deficient number, since it is larger than the sum of its proper divisors (45234226).

45590144 is an equidigital number, since it uses as much as digits as its factorization.

45590144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356187 (or 356175 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45590144 is about 6752.0473931986. The cubic root of 45590144 is about 357.2374560226.

Adding to 45590144 its reverse (44109554), we get a palindrome (89699698).

The spelling of 45590144 in words is "forty-five million, five hundred ninety thousand, one hundred forty-four".