117850145 has 12 divisors (see below), whose sum is σ = 164509524. Its totient is φ = 80811360.

The previous prime is 117850099. The next prime is 117850157. The reversal of 117850145 is 541058711.

It can be written as a sum of positive squares in 2 ways, for example, as 60590656 + 57259489 = 7784^2 + 7567^2 .

It is not a de Polignac number, because 117850145 - 2⁸ = 117849889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240266 + ... + 240755.

It is an arithmetic number, because the mean of its divisors is an integer number (13709127).

Almost surely, 2^117850145 is an apocalyptic number.

It is an amenable number.

117850145 is a deficient number, since it is larger than the sum of its proper divisors (46659379).

117850145 is an equidigital number, since it uses as much as digits as its factorization.

117850145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481040 (or 481033 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 117850145 is about 10855.8806644141. The cubic root of 117850145 is about 490.2790927057.

The spelling of 117850145 in words is "one hundred seventeen million, eight hundred fifty thousand, one hundred forty-five".