45421132251 has 16 divisors (see below), whose sum is σ = 68939585280. Its totient is φ = 26331090720.

The previous prime is 45421132091. The next prime is 45421132259. The reversal of 45421132251 is 15223112454.

It is not a de Polignac number, because 45421132251 - 2¹⁵ = 45421099483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45421132259) 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, 29920936 + ... + 29922453.

It is an arithmetic number, because the mean of its divisors is an integer number (4308724080).

Almost surely, 2^45421132251 is an apocalyptic number.

45421132251 is a deficient number, since it is larger than the sum of its proper divisors (23518453029).

45421132251 is a wasteful number, since it uses less digits than its factorization.

45421132251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59843426.

The product of its digits is 9600, while the sum is 30.

The spelling of 45421132251 in words is "forty-five billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred fifty-one".