45209581621744 has 20 divisors (see below), whose sum is σ = 89457257253024. Its totient is φ = 22123837814528.

The previous prime is 45209581621661. The next prime is 45209581621823. The reversal of 45209581621744 is 44712618590254.

It is a happy number.

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, 30059561497 + ... + 30059563000.

Almost surely, 2^{45209581621744} is an apocalyptic number.

It is an amenable number.

45209581621744 is a deficient number, since it is larger than the sum of its proper divisors (44247675631280).

45209581621744 is a wasteful number, since it uses less digits than its factorization.

45209581621744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60119124552 (or 60119124546 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 45209581621744 in words is "forty-five trillion, two hundred nine billion, five hundred eighty-one million, six hundred twenty-one thousand, seven hundred forty-four".