117155544 has 32 divisors (see below), whose sum is σ = 319515840. Its totient is φ = 35501600.

The previous prime is 117155531. The next prime is 117155569. The reversal of 117155544 is 445551711.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221622 + ... + 222149.

It is an arithmetic number, because the mean of its divisors is an integer number (9984870).

Almost surely, 2^117155544 is an apocalyptic number.

It is an amenable number.

117155544 is an abundant number, since it is smaller than the sum of its proper divisors (202360296).

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

117155544 is a wasteful number, since it uses less digits than its factorization.

117155544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443791 (or 443787 counting only the distinct ones).

The product of its digits is 14000, while the sum is 33.

The square root of 117155544 is about 10823.8414622536. The cubic root of 117155544 is about 489.3139698542.

The spelling of 117155544 in words is "one hundred seventeen million, one hundred fifty-five thousand, five hundred forty-four".