45023215544 has 16 divisors (see below), whose sum is σ = 84572867400. Its totient is φ = 22470450912.

The previous prime is 45023215529. The next prime is 45023215571. The reversal of 45023215544 is 44551232054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5139959 + ... + 5148710.

Almost surely, 2^45023215544 is an apocalyptic number.

It is an amenable number.

45023215544 is a deficient number, since it is larger than the sum of its proper divisors (39549651856).

45023215544 is a wasteful number, since it uses less digits than its factorization.

45023215544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289222 (or 10289218 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 45023215544 its reverse (44551232054), we get a palindrome (89574447598).

The spelling of 45023215544 in words is "forty-five billion, twenty-three million, two hundred fifteen thousand, five hundred forty-four".