142200979 has 2 divisors, whose sum is σ = 142200980. Its totient is φ = 142200978.

The previous prime is 142200941. The next prime is 142201009. The reversal of 142200979 is 979002241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142200979 - 2¹⁵ = 142168211 is a prime.

It is a super-2 number, since 2×142200979² = 40442236857116882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142203979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100489 + 71100490.

It is an arithmetic number, because the mean of its divisors is an integer number (71100490).

Almost surely, 2^142200979 is an apocalyptic number.

142200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200979 is an equidigital number, since it uses as much as digits as its factorization.

142200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 142200979 is about 11924.8051975703. The cubic root of 142200979 is about 521.9563619858.

The spelling of 142200979 in words is "one hundred forty-two million, two hundred thousand, nine hundred seventy-nine".