153485863 has 4 divisors (see below), whose sum is σ = 153610000. Its totient is φ = 153361728.

The previous prime is 153485851. The next prime is 153485873. The reversal of 153485863 is 368584351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153485863 - 2⁹ = 153485351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153485833) 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, 60195 + ... + 62692.

It is an arithmetic number, because the mean of its divisors is an integer number (38402500).

Almost surely, 2^153485863 is an apocalyptic number.

153485863 is a deficient number, since it is larger than the sum of its proper divisors (124137).

153485863 is a wasteful number, since it uses less digits than its factorization.

153485863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124136.

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

The square root of 153485863 is about 12388.9411573387. The cubic root of 153485863 is about 535.4136760346.

The spelling of 153485863 in words is "one hundred fifty-three million, four hundred eighty-five thousand, eight hundred sixty-three".