45546532251 has 16 divisors (see below), whose sum is σ = 66315998208. Its totient is φ = 27576252000.

The previous prime is 45546532223. The next prime is 45546532259. The reversal of 45546532251 is 15223564554.

It is not a de Polignac number, because 45546532251 - 2¹⁰ = 45546531227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45546532259) 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, 659275 + ... + 725076.

It is an arithmetic number, because the mean of its divisors is an integer number (4144749888).

Almost surely, 2^45546532251 is an apocalyptic number.

45546532251 is a deficient number, since it is larger than the sum of its proper divisors (20769465957).

45546532251 is a wasteful number, since it uses less digits than its factorization.

45546532251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385362.

The product of its digits is 720000, while the sum is 42.

The spelling of 45546532251 in words is "forty-five billion, five hundred forty-six million, five hundred thirty-two thousand, two hundred fifty-one".