45494931 has 8 divisors (see below), whose sum is σ = 61341840. Its totient is φ = 29988992.

The previous prime is 45494927. The next prime is 45494947. The reversal of 45494931 is 13949454.

45494931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45494931 - 2² = 45494927 is a prime.

It is a super-2 number, since 2×45494931² = 4139577493389522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45494931.

It is not an unprimeable number, because it can be changed into a prime (45494921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84930 + ... + 85463.

It is an arithmetic number, because the mean of its divisors is an integer number (7667730).

Almost surely, 2^45494931 is an apocalyptic number.

45494931 is a deficient number, since it is larger than the sum of its proper divisors (15846909).

45494931 is a wasteful number, since it uses less digits than its factorization.

45494931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170485.

The product of its digits is 77760, while the sum is 39.

The square root of 45494931 is about 6744.9930318719. The cubic root of 45494931 is about 356.9885911504.

The spelling of 45494931 in words is "forty-five million, four hundred ninety-four thousand, nine hundred thirty-one".