45124442651 has 4 divisors (see below), whose sum is σ = 45126554400. Its totient is φ = 45122330904.

The previous prime is 45124442603. The next prime is 45124442659. The reversal of 45124442651 is 15624442154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45124442651 - 2²⁶ = 45057333787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45124442659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023491 + ... + 1066668.

It is an arithmetic number, because the mean of its divisors is an integer number (11281638600).

Almost surely, 2^45124442651 is an apocalyptic number.

45124442651 is a deficient number, since it is larger than the sum of its proper divisors (2111749).

45124442651 is a wasteful number, since it uses less digits than its factorization.

45124442651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111748.

The product of its digits is 153600, while the sum is 38.

The spelling of 45124442651 in words is "forty-five billion, one hundred twenty-four million, four hundred forty-two thousand, six hundred fifty-one".