115642444566142 has 12 divisors (see below), whose sum is σ = 187833438068040. Its totient is φ = 53373435953448.

The previous prime is 115642444566119. The next prime is 115642444566263. The reversal of 115642444566142 is 241665444246511.

It is a super-2 number, since 2×115642444566142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171068704642 + ... + 171068705317.

It is an arithmetic number, because the mean of its divisors is an integer number (15652786505670).

Almost surely, 2^{115642444566142} is an apocalyptic number.

115642444566142 is a deficient number, since it is larger than the sum of its proper divisors (72190993501898).

115642444566142 is a wasteful number, since it uses less digits than its factorization.

115642444566142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342137409987 (or 342137409974 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 55.

The spelling of 115642444566142 in words is "one hundred fifteen trillion, six hundred forty-two billion, four hundred forty-four million, five hundred sixty-six thousand, one hundred forty-two".