118145072 has 20 divisors (see below), whose sum is σ = 236800320. Its totient is φ = 57035328.

The previous prime is 118145057. The next prime is 118145077. The reversal of 118145072 is 270541811.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (118145077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126848 + ... + 127775.

It is an arithmetic number, because the mean of its divisors is an integer number (11840016).

Almost surely, 2^118145072 is an apocalyptic number.

It is an amenable number.

118145072 is an abundant number, since it is smaller than the sum of its proper divisors (118655248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118145072 is a wasteful number, since it uses less digits than its factorization.

118145072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254660 (or 254654 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 118145072 is about 10869.4559201461. The cubic root of 118145072 is about 490.6877362106.

Adding to 118145072 its reverse (270541811), we get a palindrome (388686883).

The spelling of 118145072 in words is "one hundred eighteen million, one hundred forty-five thousand, seventy-two".