153864538 has 8 divisors (see below), whose sum is σ = 230883732. Its totient is φ = 76903296.

The previous prime is 153864523. The next prime is 153864539. The reversal of 153864538 is 835468351.

153864538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153685609 + 178929 = 12397^2 + 423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 153864494 and 153864503.

It is not an unprimeable number, because it can be changed into a prime (153864539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7095 + ... + 18922.

Almost surely, 2^153864538 is an apocalyptic number.

153864538 is a deficient number, since it is larger than the sum of its proper divisors (77019194).

153864538 is a wasteful number, since it uses less digits than its factorization.

153864538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28976.

The product of its digits is 345600, while the sum is 43.

The square root of 153864538 is about 12404.2145257167. The cubic root of 153864538 is about 535.8536324374.

The spelling of 153864538 in words is "one hundred fifty-three million, eight hundred sixty-four thousand, five hundred thirty-eight".