142161113 has 2 divisors, whose sum is σ = 142161114. Its totient is φ = 142161112.

The previous prime is 142161101. The next prime is 142161181. The reversal of 142161113 is 311161241.

It is a happy number.

142161113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 65983129 = 8728^2 + 8123^2 .

It is a cyclic number.

It is not a de Polignac number, because 142161113 - 2²⁰ = 141112537 is a prime.

It is not a weakly prime, because it can be changed into another prime (142161013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71080556 + 71080557.

It is an arithmetic number, because the mean of its divisors is an integer number (71080557).

Almost surely, 2^142161113 is an apocalyptic number.

It is an amenable number.

142161113 is a deficient number, since it is larger than the sum of its proper divisors (1).

142161113 is an equidigital number, since it uses as much as digits as its factorization.

142161113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 142161113 is about 11923.1335226944. The cubic root of 142161113 is about 521.9075806592.

The spelling of 142161113 in words is "one hundred forty-two million, one hundred sixty-one thousand, one hundred thirteen".