5645423236 has 24 divisors (see below), whose sum is σ = 10125440640. Its totient is φ = 2752865952.

The previous prime is 5645423233. The next prime is 5645423261. The reversal of 5645423236 is 6323245465.

It is not an unprimeable number, because it can be changed into a prime (5645423233) 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, 150 + ... + 106258.

It is an arithmetic number, because the mean of its divisors is an integer number (421893360).

Almost surely, 2^5645423236 is an apocalyptic number.

It is an amenable number.

5645423236 is a deficient number, since it is larger than the sum of its proper divisors (4480017404).

5645423236 is a wasteful number, since it uses less digits than its factorization.

5645423236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106443 (or 106441 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 5645423236 is about 75136.0315427958. The cubic root of 5645423236 is about 1780.5964457451.

The spelling of 5645423236 in words is "five billion, six hundred forty-five million, four hundred twenty-three thousand, two hundred thirty-six".