117577145 has 8 divisors (see below), whose sum is σ = 161248704. Its totient is φ = 80624304.

The previous prime is 117577139. The next prime is 117577169. The reversal of 117577145 is 541775711.

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

It is a cyclic number.

It is not a de Polignac number, because 117577145 - 2⁴ = 117577129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117577099 and 117577108.

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, 1679639 + ... + 1679708.

It is an arithmetic number, because the mean of its divisors is an integer number (20156088).

Almost surely, 2^117577145 is an apocalyptic number.

It is an amenable number.

117577145 is a deficient number, since it is larger than the sum of its proper divisors (43671559).

117577145 is an equidigital number, since it uses as much as digits as its factorization.

117577145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359359.

The product of its digits is 34300, while the sum is 38.

The square root of 117577145 is about 10843.2995439580. The cubic root of 117577145 is about 489.9002226383.

The spelling of 117577145 in words is "one hundred seventeen million, five hundred seventy-seven thousand, one hundred forty-five".