4544145636 has 24 divisors (see below), whose sum is σ = 10604443584. Its totient is φ = 1514509920.

The previous prime is 4544145601. The next prime is 4544145653. The reversal of 4544145636 is 6365414454.

It is a super-2 number, since 2×4544145636² = 41298519122355688992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86001 + ... + 128391.

It is an arithmetic number, because the mean of its divisors is an integer number (441851816).

Almost surely, 2^4544145636 is an apocalyptic number.

It is an amenable number.

4544145636 is an abundant number, since it is smaller than the sum of its proper divisors (6060297948).

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

4544145636 is a wasteful number, since it uses less digits than its factorization.

4544145636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51331 (or 51329 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 4544145636 is about 67410.2784150904. The cubic root of 4544145636 is about 1656.3447947718.

The spelling of 4544145636 in words is "four billion, five hundred forty-four million, one hundred forty-five thousand, six hundred thirty-six".