45353215221 has 16 divisors (see below), whose sum is σ = 61956222720. Its totient is φ = 29493089280.

The previous prime is 45353215133. The next prime is 45353215249. The reversal of 45353215221 is 12251235354.

45353215221 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 45353215221 - 2¹⁵ = 45353182453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45353215261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796965 + ... + 851973.

It is an arithmetic number, because the mean of its divisors is an integer number (3872263920).

Almost surely, 2^45353215221 is an apocalyptic number.

45353215221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45353215221 is a deficient number, since it is larger than the sum of its proper divisors (16603007499).

45353215221 is a wasteful number, since it uses less digits than its factorization.

45353215221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61756.

The product of its digits is 36000, while the sum is 33.

The spelling of 45353215221 in words is "forty-five billion, three hundred fifty-three million, two hundred fifteen thousand, two hundred twenty-one".