92142981 has 48 divisors (see below), whose sum is σ = 160001280. Its totient is φ = 52254720.

The previous prime is 92142979. The next prime is 92143003. The reversal of 92142981 is 18924129.

It is not a de Polignac number, because 92142981 - 2¹ = 92142979 is a prime.

It is a super-2 number, since 2×92142981² = 16980657895132722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92142901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339876 + ... + 340146.

It is an arithmetic number, because the mean of its divisors is an integer number (3333360).

Almost surely, 2^92142981 is an apocalyptic number.

It is an amenable number.

92142981 is a deficient number, since it is larger than the sum of its proper divisors (67858299).

92142981 is a wasteful number, since it uses less digits than its factorization.

92142981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 538 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 92142981 is about 9599.1135528235. The cubic root of 92142981 is about 451.6694874773.

The spelling of 92142981 in words is "ninety-two million, one hundred forty-two thousand, nine hundred eighty-one".