118591645 has 8 divisors (see below), whose sum is σ = 144025056. Its totient is φ = 93729936.

The previous prime is 118591637. The next prime is 118591651. The reversal of 118591645 is 546195811.

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 118591645 - 2³ = 118591637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118591598 and 118591607.

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, 142467 + ... + 143296.

It is an arithmetic number, because the mean of its divisors is an integer number (18003132).

Almost surely, 2^118591645 is an apocalyptic number.

It is an amenable number.

118591645 is a deficient number, since it is larger than the sum of its proper divisors (25433411).

118591645 is an equidigital number, since it uses as much as digits as its factorization.

118591645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285851.

The product of its digits is 43200, while the sum is 40.

The square root of 118591645 is about 10889.9791092545. The cubic root of 118591645 is about 491.3052041461.

The spelling of 118591645 in words is "one hundred eighteen million, five hundred ninety-one thousand, six hundred forty-five".