118239745 has 16 divisors (see below), whose sum is σ = 153058752. Its totient is φ = 87168960.

The previous prime is 118239659. The next prime is 118239749. The reversal of 118239745 is 547932811.

It is not a de Polignac number, because 118239745 - 2⁷ = 118239617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118239698 and 118239707.

It is not an unprimeable number, because it can be changed into a prime (118239749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51594 + ... + 53836.

It is an arithmetic number, because the mean of its divisors is an integer number (9566172).

Almost surely, 2^118239745 is an apocalyptic number.

It is an amenable number.

118239745 is a deficient number, since it is larger than the sum of its proper divisors (34819007).

118239745 is a wasteful number, since it uses less digits than its factorization.

118239745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its digits is 60480, while the sum is 40.

The square root of 118239745 is about 10873.8100498399. The cubic root of 118239745 is about 490.8187685543.

The spelling of 118239745 in words is "one hundred eighteen million, two hundred thirty-nine thousand, seven hundred forty-five".