15445843852 has 6 divisors (see below), whose sum is σ = 27030226748. Its totient is φ = 7722921924.

The previous prime is 15445843849. The next prime is 15445843873. The reversal of 15445843852 is 25834854451.

It is a junction number, because it is equal to n+sod(n) for n = 15445843796 and 15445843805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930730478 + ... + 1930730485.

Almost surely, 2^15445843852 is an apocalyptic number.

It is an amenable number.

15445843852 is a deficient number, since it is larger than the sum of its proper divisors (11584382896).

15445843852 is a wasteful number, since it uses less digits than its factorization.

15445843852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861460967 (or 3861460965 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 49.

The spelling of 15445843852 in words is "fifteen billion, four hundred forty-five million, eight hundred forty-three thousand, eight hundred fifty-two".