45001422320021 has 32 divisors (see below), whose sum is σ = 49642555276800. Its totient is φ = 40602907699200.

The previous prime is 45001422320003. The next prime is 45001422320047. The reversal of 45001422320021 is 12002322410054.

It is a cyclic number.

It is not a de Polignac number, because 45001422320021 - 2⁶ = 45001422319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001422320081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151641041 + ... + 151937513.

It is an arithmetic number, because the mean of its divisors is an integer number (1551329852400).

Almost surely, 2^{45001422320021} is an apocalyptic number.

It is an amenable number.

45001422320021 is a deficient number, since it is larger than the sum of its proper divisors (4641132956779).

45001422320021 is a wasteful number, since it uses less digits than its factorization.

45001422320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298709.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 45001422320021 its reverse (12002322410054), we get a palindrome (57003744730075).

The spelling of 45001422320021 in words is "forty-five trillion, one billion, four hundred twenty-two million, three hundred twenty thousand, twenty-one".