45312164433 has 24 divisors (see below), whose sum is σ = 66908874240. Its totient is φ = 29540564640.

The previous prime is 45312164431. The next prime is 45312164449. The reversal of 45312164433 is 33446121354.

45312164433 is a `hidden beast` number, since 4 + 5 + 3 + 1 + 2 + 1 + 644 + 3 + 3 = 666.

It is not a de Polignac number, because 45312164433 - 2¹ = 45312164431 is a prime.

It is a super-2 number, since 2×45312164433² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45312164431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121966 + ... + 324807.

It is an arithmetic number, because the mean of its divisors is an integer number (2787869760).

Almost surely, 2^45312164433 is an apocalyptic number.

It is an amenable number.

45312164433 is a deficient number, since it is larger than the sum of its proper divisors (21596709807).

45312164433 is a wasteful number, since it uses less digits than its factorization.

45312164433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447029 (or 447026 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 45312164433 its reverse (33446121354), we get a palindrome (78758285787).

The spelling of 45312164433 in words is "forty-five billion, three hundred twelve million, one hundred sixty-four thousand, four hundred thirty-three".