117581452 has 36 divisors (see below), whose sum is σ = 221406696. Its totient is φ = 54448000.

The previous prime is 117581441. The next prime is 117581459. The reversal of 117581452 is 254185711.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (117581459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468327 + ... + 468577.

It is an arithmetic number, because the mean of its divisors is an integer number (6150186).

Almost surely, 2^117581452 is an apocalyptic number.

It is an amenable number.

117581452 is a deficient number, since it is larger than the sum of its proper divisors (103825244).

117581452 is a wasteful number, since it uses less digits than its factorization.

117581452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 353 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 117581452 is about 10843.4981440493. The cubic root of 117581452 is about 489.9062044542.

The spelling of 117581452 in words is "one hundred seventeen million, five hundred eighty-one thousand, four hundred fifty-two".