45451321005 has 32 divisors (see below), whose sum is σ = 74521980288. Its totient is φ = 23641164800.

The previous prime is 45451320919. The next prime is 45451321031. The reversal of 45451321005 is 50012315454.

45451321005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45451321005 - 2²² = 45447126701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991710 + ... + 2014400.

It is an arithmetic number, because the mean of its divisors is an integer number (2328811884).

Almost surely, 2^45451321005 is an apocalyptic number.

It is an amenable number.

45451321005 is a deficient number, since it is larger than the sum of its proper divisors (29070659283).

45451321005 is a wasteful number, since it uses less digits than its factorization.

45451321005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25997.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 45451321005 its reverse (50012315454), we get a palindrome (95463636459).

The spelling of 45451321005 in words is "forty-five billion, four hundred fifty-one million, three hundred twenty-one thousand, five".