142601983 has 2 divisors, whose sum is σ = 142601984. Its totient is φ = 142601982.

The previous prime is 142601971. The next prime is 142601989. The reversal of 142601983 is 389106241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142601983 - 2⁹ = 142601471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142601989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71300991 + 71300992.

It is an arithmetic number, because the mean of its divisors is an integer number (71300992).

Almost surely, 2^142601983 is an apocalyptic number.

142601983 is a deficient number, since it is larger than the sum of its proper divisors (1).

142601983 is an equidigital number, since it uses as much as digits as its factorization.

142601983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 142601983 is about 11941.6072201358. The cubic root of 142601983 is about 522.4465371151.

The spelling of 142601983 in words is "one hundred forty-two million, six hundred one thousand, nine hundred eighty-three".