117537152 has 16 divisors (see below), whose sum is σ = 234156300. Its totient is φ = 58768512.

The previous prime is 117537139. The next prime is 117537157. The reversal of 117537152 is 251735711.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×117537152² = 27629964200542208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117537157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459002 + ... + 459257.

Almost surely, 2^117537152 is an apocalyptic number.

It is an amenable number.

117537152 is a deficient number, since it is larger than the sum of its proper divisors (116619148).

117537152 is an frugal number, since it uses more digits than its factorization.

117537152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918273 (or 918261 counting only the distinct ones).

The product of its digits is 7350, while the sum is 32.

The square root of 117537152 is about 10841.4552528708. The cubic root of 117537152 is about 489.8446710217.

The spelling of 117537152 in words is "one hundred seventeen million, five hundred thirty-seven thousand, one hundred fifty-two".