117290045 has 8 divisors (see below), whose sum is σ = 141994296. Its totient is φ = 93001216.

The previous prime is 117290029. The next prime is 117290093. The reversal of 117290045 is 540092711.

It can be written as a sum of positive squares in 4 ways, for example, as 4866436 + 112423609 = 2206^2 + 10603^2 .

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 117290045 - 2⁴ = 117290029 is a prime.

It is a super-2 number, since 2×117290045² = 27513909312204050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 103232 + ... + 104361.

It is an arithmetic number, because the mean of its divisors is an integer number (17749287).

Almost surely, 2^117290045 is an apocalyptic number.

It is an amenable number.

117290045 is a deficient number, since it is larger than the sum of its proper divisors (24704251).

117290045 is a wasteful number, since it uses less digits than its factorization.

117290045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207711.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 117290045 is about 10830.0528622902. The cubic root of 117290045 is about 489.5011513462.

The spelling of 117290045 in words is "one hundred seventeen million, two hundred ninety thousand, forty-five".