117447545 has 8 divisors (see below), whose sum is σ = 147064896. Its totient is φ = 89872816.

The previous prime is 117447529. The next prime is 117447553. The reversal of 117447545 is 545744711.

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 117447545 - 2⁴ = 117447529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117447499 and 117447508.

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, 510527 + ... + 510756.

It is an arithmetic number, because the mean of its divisors is an integer number (18383112).

Almost surely, 2^117447545 is an apocalyptic number.

It is an amenable number.

117447545 is a deficient number, since it is larger than the sum of its proper divisors (29617351).

117447545 is a wasteful number, since it uses less digits than its factorization.

117447545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021311.

The product of its digits is 78400, while the sum is 38.

The square root of 117447545 is about 10837.3218555139. The cubic root of 117447545 is about 489.7201581342.

The spelling of 117447545 in words is "one hundred seventeen million, four hundred forty-seven thousand, five hundred forty-five".