117506245 has 8 divisors (see below), whose sum is σ = 141096600. Its totient is φ = 93945600.

The previous prime is 117506243. The next prime is 117506269. The reversal of 117506245 is 542605711.

It can be written as a sum of positive squares in 4 ways, for example, as 2566404 + 114939841 = 1602^2 + 10721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117506245 - 2¹ = 117506243 is a prime.

It is a super-2 number, since 2×117506245² = 27615435228000050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117506243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (17637075).

Almost surely, 2^117506245 is an apocalyptic number.

It is an amenable number.

117506245 is a deficient number, since it is larger than the sum of its proper divisors (23590355).

117506245 is a wasteful number, since it uses less digits than its factorization.

117506245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 117506245 is about 10840.0297508817. The cubic root of 117506245 is about 489.8017315306.

The spelling of 117506245 in words is "one hundred seventeen million, five hundred six thousand, two hundred forty-five".