115445042 has 8 divisors (see below), whose sum is σ = 173721756. Its totient is φ = 57537792.

The previous prime is 115445041. The next prime is 115445081. The reversal of 115445042 is 240544511.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 43178041 = 8501^2 + 6571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (115445041) 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 3 ways as a sum of consecutive naturals, for example, 91583 + ... + 92834.

Almost surely, 2^115445042 is an apocalyptic number.

115445042 is a deficient number, since it is larger than the sum of its proper divisors (58276714).

115445042 is a wasteful number, since it uses less digits than its factorization.

115445042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184732.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 115445042 is about 10744.5354483105. The cubic root of 115445042 is about 486.9209141478.

Adding to 115445042 its reverse (240544511), we get a palindrome (355989553).

The spelling of 115445042 in words is "one hundred fifteen million, four hundred forty-five thousand, forty-two".