117552245 has 4 divisors (see below), whose sum is σ = 141062700. Its totient is φ = 94041792.

The previous prime is 117552223. The next prime is 117552269. The reversal of 117552245 is 542255711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542255711 = 809 ⋅670279.

It can be written as a sum of positive squares in 2 ways, for example, as 43970161 + 73582084 = 6631^2 + 8578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117552245 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11755220 + ... + 11755229.

It is an arithmetic number, because the mean of its divisors is an integer number (35265675).

Almost surely, 2^117552245 is an apocalyptic number.

It is an amenable number.

117552245 is a deficient number, since it is larger than the sum of its proper divisors (23510455).

117552245 is an equidigital number, since it uses as much as digits as its factorization.

117552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23510454.

The product of its digits is 14000, while the sum is 32.

The square root of 117552245 is about 10842.1513086656. The cubic root of 117552245 is about 489.8656371845.

The spelling of 117552245 in words is "one hundred seventeen million, five hundred fifty-two thousand, two hundred forty-five".