45124281247 has 16 divisors (see below), whose sum is σ = 46508005440. Its totient is φ = 43764537600.

The previous prime is 45124281217. The next prime is 45124281281. The reversal of 45124281247 is 74218242154.

It is a cyclic number.

It is not a de Polignac number, because 45124281247 - 2¹⁹ = 45123756959 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 (45124281217) 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, 2004997 + ... + 2027377.

It is an arithmetic number, because the mean of its divisors is an integer number (2906750340).

Almost surely, 2^45124281247 is an apocalyptic number.

45124281247 is a deficient number, since it is larger than the sum of its proper divisors (1383724193).

45124281247 is a wasteful number, since it uses less digits than its factorization.

45124281247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22914.

The product of its digits is 143360, while the sum is 40.

The spelling of 45124281247 in words is "forty-five billion, one hundred twenty-four million, two hundred eighty-one thousand, two hundred forty-seven".