45994081231 has 48 divisors (see below), whose sum is σ = 56095441920. Its totient is φ = 37571835840.

The previous prime is 45994081207. The next prime is 45994081291. The reversal of 45994081231 is 13218049954.

It is not a de Polignac number, because 45994081231 - 2³³ = 37404146639 is a prime.

It is a super-2 number, since 2×45994081231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45994081201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13569885 + ... + 13573273.

It is an arithmetic number, because the mean of its divisors is an integer number (1168655040).

Almost surely, 2^45994081231 is an apocalyptic number.

45994081231 is a deficient number, since it is larger than the sum of its proper divisors (10101360689).

45994081231 is a wasteful number, since it uses less digits than its factorization.

45994081231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 45994081231 in words is "forty-five billion, nine hundred ninety-four million, eighty-one thousand, two hundred thirty-one".