117372045 has 64 divisors (see below), whose sum is σ = 224280576. Its totient is φ = 51287040.

The previous prime is 117372041. The next prime is 117372049. The reversal of 117372045 is 540273711.

It is an interprime number because it is at equal distance from previous prime (117372041) and next prime (117372049).

It is not a de Polignac number, because 117372045 - 2² = 117372041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117372041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 348117 + ... + 348453.

It is an arithmetic number, because the mean of its divisors is an integer number (3504384).

Almost surely, 2^117372045 is an apocalyptic number.

117372045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117372045 is a deficient number, since it is larger than the sum of its proper divisors (106908531).

117372045 is a wasteful number, since it uses less digits than its factorization.

117372045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 117372045 is about 10833.8379626059. The cubic root of 117372045 is about 489.6151983767.

The spelling of 117372045 in words is "one hundred seventeen million, three hundred seventy-two thousand, forty-five".