45512125454223 has 6 divisors (see below), whose sum is σ = 65739736767224. Its totient is φ = 30341416969476.

The previous prime is 45512125454183. The next prime is 45512125454249. The reversal of 45512125454223 is 32245452121554.

45512125454223 is a `hidden beast` number, since 4 + 5 + 5 + 1 + 212 + 5 + 4 + 5 + 422 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-45512125454223 is a prime.

It is a super-2 number, since 2×45512125454223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512125454923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2528451414115 + ... + 2528451414132.

Almost surely, 2^{45512125454223} is an apocalyptic number.

45512125454223 is a deficient number, since it is larger than the sum of its proper divisors (20227611313001).

45512125454223 is a wasteful number, since it uses less digits than its factorization.

45512125454223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056902828253 (or 5056902828250 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

Adding to 45512125454223 its reverse (32245452121554), we get a palindrome (77757577575777).

The spelling of 45512125454223 in words is "forty-five trillion, five hundred twelve billion, one hundred twenty-five million, four hundred fifty-four thousand, two hundred twenty-three".