45331544 has 8 divisors (see below), whose sum is σ = 84996660. Its totient is φ = 22665768.

The previous prime is 45331541. The next prime is 45331591. The reversal of 45331544 is 44513354.

45331544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45331541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833214 + ... + 2833229.

Almost surely, 2^45331544 is an apocalyptic number.

It is an amenable number.

45331544 is a deficient number, since it is larger than the sum of its proper divisors (39665116).

45331544 is a wasteful number, since it uses less digits than its factorization.

45331544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666449 (or 5666445 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 45331544 is about 6732.8704131299. The cubic root of 45331544 is about 356.5607247387.

Adding to 45331544 its reverse (44513354), we get a palindrome (89844898).

The spelling of 45331544 in words is "forty-five million, three hundred thirty-one thousand, five hundred forty-four".