45943648 has 12 divisors (see below), whose sum is σ = 90451620. Its totient is φ = 22971808.

The previous prime is 45943637. The next prime is 45943661. The reversal of 45943648 is 84634954.

It is a happy number.

It is a super-2 number, since 2×45943648² = 4221637583095808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717838 + ... + 717901.

It is an arithmetic number, because the mean of its divisors is an integer number (7537635).

Almost surely, 2^45943648 is an apocalyptic number.

It is an amenable number.

45943648 is a deficient number, since it is larger than the sum of its proper divisors (44507972).

45943648 is a wasteful number, since it uses less digits than its factorization.

45943648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435749 (or 1435741 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 45943648 is about 6778.1743854817. The cubic root of 45943648 is about 358.1584143334.

The spelling of 45943648 in words is "forty-five million, nine hundred forty-three thousand, six hundred forty-eight".