45442315012 has 24 divisors (see below), whose sum is σ = 81688174400. Its totient is φ = 22103059680.

The previous prime is 45442315003. The next prime is 45442315073. The reversal of 45442315012 is 21051324454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892687 + ... + 942217.

Almost surely, 2^45442315012 is an apocalyptic number.

It is an amenable number.

45442315012 is a deficient number, since it is larger than the sum of its proper divisors (36245859388).

45442315012 is a wasteful number, since it uses less digits than its factorization.

45442315012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55771 (or 55769 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 45442315012 its reverse (21051324454), we get a palindrome (66493639466).

The spelling of 45442315012 in words is "forty-five billion, four hundred forty-two million, three hundred fifteen thousand, twelve".