45981873 has 12 divisors (see below), whose sum is σ = 75906688. Its totient is φ = 26275320.

The previous prime is 45981863. The next prime is 45981883. The reversal of 45981873 is 37818954.

45981873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45981863) and next prime (45981883).

It is not a de Polignac number, because 45981873 - 2⁴ = 45981857 is a prime.

It is a super-2 number, since 2×45981873² = 4228665289176258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45981863) 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 11 ways as a sum of consecutive naturals, for example, 364873 + ... + 364998.

Almost surely, 2^45981873 is an apocalyptic number.

It is an amenable number.

45981873 is a deficient number, since it is larger than the sum of its proper divisors (29924815).

45981873 is a wasteful number, since it uses less digits than its factorization.

45981873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729884 (or 729881 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 45981873 is about 6780.9935112784. The cubic root of 45981873 is about 358.2577157667.

The spelling of 45981873 in words is "forty-five million, nine hundred eighty-one thousand, eight hundred seventy-three".