117071545 has 8 divisors (see below), whose sum is σ = 142464960. Its totient is φ = 92337840.

The previous prime is 117071519. The next prime is 117071561. The reversal of 117071545 is 545170711.

It is a happy number.

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

It is not a de Polignac number, because 117071545 - 2²¹ = 114974393 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, 164535 + ... + 165244.

It is an arithmetic number, because the mean of its divisors is an integer number (17808120).

Almost surely, 2^117071545 is an apocalyptic number.

It is an amenable number.

117071545 is a deficient number, since it is larger than the sum of its proper divisors (25393415).

117071545 is an equidigital number, since it uses as much as digits as its factorization.

117071545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329855.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 117071545 is about 10819.9604897615. The cubic root of 117071545 is about 489.1969979783.

The spelling of 117071545 in words is "one hundred seventeen million, seventy-one thousand, five hundred forty-five".