45087923221 has 8 divisors (see below), whose sum is σ = 49354701984. Its totient is φ = 40849123920.

The previous prime is 45087923219. The next prime is 45087923233. The reversal of 45087923221 is 12232978054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45087923221 - 2¹ = 45087923219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45087923261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991491 + ... + 6997936.

It is an arithmetic number, because the mean of its divisors is an integer number (6169337748).

Almost surely, 2^45087923221 is an apocalyptic number.

It is an amenable number.

45087923221 is a deficient number, since it is larger than the sum of its proper divisors (4266778763).

45087923221 is a wasteful number, since it uses less digits than its factorization.

45087923221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989731.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 45087923221 in words is "forty-five billion, eighty-seven million, nine hundred twenty-three thousand, two hundred twenty-one".