117500146 has 16 divisors (see below), whose sum is σ = 185370624. Its totient is φ = 55750464.

The previous prime is 117500069. The next prime is 117500183. The reversal of 117500146 is 641005711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 117500146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4215 + ... + 15898.

It is an arithmetic number, because the mean of its divisors is an integer number (11585664).

Almost surely, 2^117500146 is an apocalyptic number.

117500146 is a deficient number, since it is larger than the sum of its proper divisors (67870478).

117500146 is a wasteful number, since it uses less digits than its factorization.

117500146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 117500146 is about 10839.7484288151. The cubic root of 117500146 is about 489.7932572223.

Adding to 117500146 its reverse (641005711), we get a palindrome (758505857).

The spelling of 117500146 in words is "one hundred seventeen million, five hundred thousand, one hundred forty-six".