45493983 has 24 divisors (see below), whose sum is σ = 67317120. Its totient is φ = 29597760.

The previous prime is 45493963. The next prime is 45494017. The reversal of 45493983 is 38939454.

It is a happy number.

It is not a de Polignac number, because 45493983 - 2⁵ = 45493951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45493933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94738 + ... + 95216.

It is an arithmetic number, because the mean of its divisors is an integer number (2804880).

Almost surely, 2^45493983 is an apocalyptic number.

45493983 is a deficient number, since it is larger than the sum of its proper divisors (21823137).

45493983 is a wasteful number, since it uses less digits than its factorization.

45493983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 45493983 is about 6744.9227571559. The cubic root of 45493983 is about 356.9861115516.

The spelling of 45493983 in words is "forty-five million, four hundred ninety-three thousand, nine hundred eighty-three".