45973128 has 32 divisors (see below), whose sum is σ = 116229600. Its totient is φ = 15151488.

The previous prime is 45973121. The next prime is 45973133. The reversal of 45973128 is 82137954.

It is a super-2 number, since 2×45973128² = 4227056996208768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45973121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8626 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (3632175).

Almost surely, 2^45973128 is an apocalyptic number.

It is an amenable number.

45973128 is an abundant number, since it is smaller than the sum of its proper divisors (70256472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45973128 is a wasteful number, since it uses less digits than its factorization.

45973128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621 (or 21617 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 45973128 is about 6780.3486636013. The cubic root of 45973128 is about 358.2350027412.

The spelling of 45973128 in words is "forty-five million, nine hundred seventy-three thousand, one hundred twenty-eight".