45421752239 has 16 divisors (see below), whose sum is σ = 47918340288. Its totient is φ = 42969265152.

The previous prime is 45421752197. The next prime is 45421752247. The reversal of 45421752239 is 93225712454.

It is a cyclic number.

It is not a de Polignac number, because 45421752239 - 2⁸ = 45421751983 is a prime.

It is a super-2 number, since 2×45421752239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45421752239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421752289) 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, 3645929 + ... + 3658365.

It is an arithmetic number, because the mean of its divisors is an integer number (2994896268).

Almost surely, 2^45421752239 is an apocalyptic number.

45421752239 is a deficient number, since it is larger than the sum of its proper divisors (2496588049).

45421752239 is a wasteful number, since it uses less digits than its factorization.

45421752239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194.

The product of its digits is 604800, while the sum is 44.

The spelling of 45421752239 in words is "forty-five billion, four hundred twenty-one million, seven hundred fifty-two thousand, two hundred thirty-nine".