118309245 has 16 divisors (see below), whose sum is σ = 190112832. Its totient is φ = 62825600.

The previous prime is 118309223. The next prime is 118309253. The reversal of 118309245 is 542903811.

It is not a de Polignac number, because 118309245 - 2⁷ = 118309117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13431 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (11882052).

Almost surely, 2^118309245 is an apocalyptic number.

118309245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118309245 is a deficient number, since it is larger than the sum of its proper divisors (71803587).

118309245 is a wasteful number, since it uses less digits than its factorization.

118309245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34092.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 118309245 is about 10877.0053323514. The cubic root of 118309245 is about 490.9149156467.

The spelling of 118309245 in words is "one hundred eighteen million, three hundred nine thousand, two hundred forty-five".