117042545 has 8 divisors (see below), whose sum is σ = 140516160. Its totient is φ = 93590640.

The previous prime is 117042511. The next prime is 117042553. The reversal of 117042545 is 545240711.

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

It is not a de Polignac number, because 117042545 - 2¹⁰ = 117041521 is a prime.

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, 10916 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (17564520).

Almost surely, 2^117042545 is an apocalyptic number.

It is an amenable number.

117042545 is a deficient number, since it is larger than the sum of its proper divisors (23473615).

117042545 is an equidigital number, since it uses as much as digits as its factorization.

117042545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 117042545 is about 10818.6202909613. The cubic root of 117042545 is about 489.1566013573.

The spelling of 117042545 in words is "one hundred seventeen million, forty-two thousand, five hundred forty-five".