45644252145 has 16 divisors (see below), whose sum is σ = 73057263360. Its totient is φ = 24334781184.

The previous prime is 45644252131. The next prime is 45644252149. The reversal of 45644252145 is 54125244654.

It is not a de Polignac number, because 45644252145 - 2¹⁷ = 45644121073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45644252097 and 45644252106.

It is not an unprimeable number, because it can be changed into a prime (45644252149) 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, 508360 + ... + 591369.

It is an arithmetic number, because the mean of its divisors is an integer number (4566078960).

Almost surely, 2^45644252145 is an apocalyptic number.

It is an amenable number.

45644252145 is a deficient number, since it is larger than the sum of its proper divisors (27413011215).

45644252145 is a wasteful number, since it uses less digits than its factorization.

45644252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102504.

The product of its digits is 768000, while the sum is 42.

Adding to 45644252145 its reverse (54125244654), we get a palindrome (99769496799).

The spelling of 45644252145 in words is "forty-five billion, six hundred forty-four million, two hundred fifty-two thousand, one hundred forty-five".