117854144 has 28 divisors (see below), whose sum is σ = 241935000. Its totient is φ = 56894208.

The previous prime is 117854123. The next prime is 117854147. The reversal of 117854144 is 441458711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117854147) 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, 29894 + ... + 33605.

Almost surely, 2^117854144 is an apocalyptic number.

It is an amenable number.

117854144 is an abundant number, since it is smaller than the sum of its proper divisors (124080856).

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

117854144 is an equidigital number, since it uses as much as digits as its factorization.

117854144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63540 (or 63530 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 117854144 is about 10856.0648487378. The cubic root of 117854144 is about 490.2846381774.

The spelling of 117854144 in words is "one hundred seventeen million, eight hundred fifty-four thousand, one hundred forty-four".