45387229472 has 54 divisors (see below), whose sum is σ = 96791800203. Its totient is φ = 20940721152.

The previous prime is 45387229441. The next prime is 45387229567. The reversal of 45387229472 is 27492278354.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 101687056 + 45285542416 = 10084^2 + 212804^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=150644.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15665528 + ... + 15668424.

Almost surely, 2^45387229472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45387229472

45387229472 is an abundant number, since it is smaller than the sum of its proper divisors (51404570731).

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

45387229472 is an frugal number, since it uses more digits than its factorization.

45387229472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830 (or 2912 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The spelling of 45387229472 in words is "forty-five billion, three hundred eighty-seven million, two hundred twenty-nine thousand, four hundred seventy-two".