45312544 has 24 divisors (see below), whose sum is σ = 91387548. Its totient is φ = 22103040.

The previous prime is 45312517. The next prime is 45312551. The reversal of 45312544 is 44521354.

45312544 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 9072144 = 6020^2 + 3012^2 .

It is a congruent 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, 15957 + ... + 18580.

Almost surely, 2^45312544 is an apocalyptic number.

It is an amenable number.

45312544 is an abundant number, since it is smaller than the sum of its proper divisors (46075004).

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

45312544 is a wasteful number, since it uses less digits than its factorization.

45312544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34588 (or 34580 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 45312544 is about 6731.4592771553. The cubic root of 45312544 is about 356.5109021803.

Adding to 45312544 its reverse (44521354), we get a palindrome (89833898).

The spelling of 45312544 in words is "forty-five million, three hundred twelve thousand, five hundred forty-four".