118425145 has 16 divisors (see below), whose sum is σ = 150741648. Its totient is φ = 89006080.

The previous prime is 118425143. The next prime is 118425169. The reversal of 118425145 is 541524811.

It can be written as a sum of positive squares in 8 ways, for example, as 7502121 + 110923024 = 2739^2 + 10532^2 .

It is not a de Polignac number, because 118425145 - 2¹ = 118425143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118425143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68937 + ... + 70633.

It is an arithmetic number, because the mean of its divisors is an integer number (9421353).

Almost surely, 2^118425145 is an apocalyptic number.

It is an amenable number.

118425145 is a deficient number, since it is larger than the sum of its proper divisors (32316503).

118425145 is a wasteful number, since it uses less digits than its factorization.

118425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its digits is 6400, while the sum is 31.

The square root of 118425145 is about 10882.3317813785. The cubic root of 118425145 is about 491.0751693089.

Adding to 118425145 its reverse (541524811), we get a palindrome (659949956).

The spelling of 118425145 in words is "one hundred eighteen million, four hundred twenty-five thousand, one hundred forty-five".