142168693 has 2 divisors, whose sum is σ = 142168694. Its totient is φ = 142168692.

The previous prime is 142168679. The next prime is 142168703. The reversal of 142168693 is 396861241.

142168693 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., 94517284 + 47651409 = 9722^2 + 6903^2 .

It is a cyclic number.

It is not a de Polignac number, because 142168693 - 2⁵ = 142168661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142168673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71084346 + 71084347.

It is an arithmetic number, because the mean of its divisors is an integer number (71084347).

Almost surely, 2^142168693 is an apocalyptic number.

It is an amenable number.

142168693 is a deficient number, since it is larger than the sum of its proper divisors (1).

142168693 is an equidigital number, since it uses as much as digits as its factorization.

142168693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 142168693 is about 11923.4513879162. The cubic root of 142168693 is about 521.9168564944.

The spelling of 142168693 in words is "one hundred forty-two million, one hundred sixty-eight thousand, six hundred ninety-three".