117602545 has 4 divisors (see below), whose sum is σ = 141123060. Its totient is φ = 94082032.

The previous prime is 117602543. The next prime is 117602557. The reversal of 117602545 is 545206711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16941456 + 100661089 = 4116^2 + 10033^2 .

It is a cyclic number.

It is not a de Polignac number, because 117602545 - 2¹ = 117602543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (117602543) by changing a digit.

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, 11760250 + ... + 11760259.

It is an arithmetic number, because the mean of its divisors is an integer number (35280765).

Almost surely, 2^117602545 is an apocalyptic number.

It is an amenable number.

117602545 is a deficient number, since it is larger than the sum of its proper divisors (23520515).

117602545 is an equidigital number, since it uses as much as digits as its factorization.

117602545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23520514.

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

The square root of 117602545 is about 10844.4707109199. The cubic root of 117602545 is about 489.9354975486.

The spelling of 117602545 in words is "one hundred seventeen million, six hundred two thousand, five hundred forty-five".