142096681 has 8 divisors (see below), whose sum is σ = 143699400. Its totient is φ = 140502912.

The previous prime is 142096667. The next prime is 142096729. The reversal of 142096681 is 186690241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105625 + 141991056 = 325^2 + 11916^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142096681 - 2¹¹ = 142094633 is a prime.

It is a super-2 number, since 2×142096681² = 40382933502431522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142096681.

It is not an unprimeable number, because it can be changed into a prime (142096601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32671 + ... + 36763.

It is an arithmetic number, because the mean of its divisors is an integer number (17962425).

Almost surely, 2^142096681 is an apocalyptic number.

It is an amenable number.

142096681 is a deficient number, since it is larger than the sum of its proper divisors (1602719).

142096681 is a wasteful number, since it uses less digits than its factorization.

142096681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 142096681 is about 11920.4312421993. The cubic root of 142096681 is about 521.8287202964.

The spelling of 142096681 in words is "one hundred forty-two million, ninety-six thousand, six hundred eighty-one".