10142181 has 48 divisors (see below), whose sum is σ = 18179200. Its totient is φ = 5318784.

The previous prime is 10142161. The next prime is 10142189. The reversal of 10142181 is 18124101.

10142181 is nontrivially palindromic in base 11.

10142181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10142181 - 2¹¹ = 10140133 is a prime.

It is a super-2 number, since 2×10142181² = 205727670873522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142189) 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, 44175 + ... + 44403.

Almost surely, 2^10142181 is an apocalyptic number.

It is an amenable number.

10142181 is a deficient number, since it is larger than the sum of its proper divisors (8037019).

10142181 is a wasteful number, since it uses less digits than its factorization.

10142181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 10142181 is about 3184.6791047137. The cubic root of 10142181 is about 216.4597332605.

Adding to 10142181 its reverse (18124101), we get a palindrome (28266282).

The spelling of 10142181 in words is "ten million, one hundred forty-two thousand, one hundred eighty-one".