142698681 has 12 divisors (see below), whose sum is σ = 206235952. Its totient is φ = 95079096.

The previous prime is 142698671. The next prime is 142698691. The reversal of 142698681 is 186896241.

It is an interprime number because it is at equal distance from previous prime (142698671) and next prime (142698691).

It is not a de Polignac number, because 142698681 - 2¹⁷ = 142567609 is a prime.

It is a super-2 number, since 2×142698681² = 40725827118279522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142698671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18990 + ... + 25416.

Almost surely, 2^142698681 is an apocalyptic number.

It is an amenable number.

142698681 is a deficient number, since it is larger than the sum of its proper divisors (63537271).

142698681 is a wasteful number, since it uses less digits than its factorization.

142698681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900 (or 8897 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 142698681 is about 11945.6553189852. The cubic root of 142698681 is about 522.5646002711.

The spelling of 142698681 in words is "one hundred forty-two million, six hundred ninety-eight thousand, six hundred eighty-one".