115451442 has 48 divisors (see below), whose sum is σ = 254217600. Its totient is φ = 37863936.

The previous prime is 115451389. The next prime is 115451443. The reversal of 115451442 is 244154511.

It is not an unprimeable number, because it can be changed into a prime (115451443) 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 23 ways as a sum of consecutive naturals, for example, 580059 + ... + 580257.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^115451442 is an apocalyptic number.

115451442 is an abundant number, since it is smaller than the sum of its proper divisors (138766158).

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

115451442 is a wasteful number, since it uses less digits than its factorization.

115451442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 115451442 is about 10744.8332699954. The cubic root of 115451442 is about 486.9299118960.

The spelling of 115451442 in words is "one hundred fifteen million, four hundred fifty-one thousand, four hundred forty-two".