115697142 has 48 divisors (see below), whose sum is σ = 274248000. Its totient is φ = 34959600.

The previous prime is 115697129. The next prime is 115697147. The reversal of 115697142 is 241796511.

It is a junction number, because it is equal to n+sod(n) for n = 115697097 and 115697106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115697147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98217 + ... + 99387.

It is an arithmetic number, because the mean of its divisors is an integer number (5713500).

Almost surely, 2^115697142 is an apocalyptic number.

115697142 is an abundant number, since it is smaller than the sum of its proper divisors (158550858).

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

115697142 is a wasteful number, since it uses less digits than its factorization.

115697142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1686 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 115697142 is about 10756.2605955787. The cubic root of 115697142 is about 487.2750899412.

The spelling of 115697142 in words is "one hundred fifteen million, six hundred ninety-seven thousand, one hundred forty-two".