142104181 has 2 divisors, whose sum is σ = 142104182. Its totient is φ = 142104180.

The previous prime is 142104113. The next prime is 142104223. The reversal of 142104181 is 181401241.

142104181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83887281 + 58216900 = 9159^2 + 7630^2 .

It is a cyclic number.

It is not a de Polignac number, because 142104181 - 2⁹ = 142103669 is a prime.

It is a super-2 number, since 2×142104181² = 40387196515361522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142105181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052090 + 71052091.

It is an arithmetic number, because the mean of its divisors is an integer number (71052091).

Almost surely, 2^142104181 is an apocalyptic number.

It is an amenable number.

142104181 is a deficient number, since it is larger than the sum of its proper divisors (1).

142104181 is an equidigital number, since it uses as much as digits as its factorization.

142104181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 142104181 is about 11920.7458239827. The cubic root of 142104181 is about 521.8379010094.

The spelling of 142104181 in words is "one hundred forty-two million, one hundred four thousand, one hundred eighty-one".