45123430455 has 16 divisors (see below), whose sum is σ = 80219432160. Its totient is φ = 24065829504.

The previous prime is 45123430441. The next prime is 45123430481. The reversal of 45123430455 is 55403432154.

45123430455 is a `hidden beast` number, since 45 + 123 + 43 + 0 + 455 = 666.

It is not a de Polignac number, because 45123430455 - 2⁴ = 45123430439 is a prime.

It is a super-2 number, since 2×45123430455² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167123682 + ... + 167123951.

It is an arithmetic number, because the mean of its divisors is an integer number (5013714510).

Almost surely, 2^45123430455 is an apocalyptic number.

45123430455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45123430455 is a deficient number, since it is larger than the sum of its proper divisors (35096001705).

45123430455 is a wasteful number, since it uses less digits than its factorization.

45123430455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334247647 (or 334247641 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 45123430455 in words is "forty-five billion, one hundred twenty-three million, four hundred thirty thousand, four hundred fifty-five".