142341501979 has 2 divisors, whose sum is σ = 142341501980. Its totient is φ = 142341501978.

The previous prime is 142341501971. The next prime is 142341502021. The reversal of 142341501979 is 979105143241.

It is a weak prime.

It is an emirp because it is prime and its reverse (979105143241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142341501979 - 2³ = 142341501971 is a prime.

It is a super-2 number, since 2×142341501979² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142341501971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71170750989 + 71170750990.

It is an arithmetic number, because the mean of its divisors is an integer number (71170750990).

Almost surely, 2^142341501979 is an apocalyptic number.

142341501979 is a deficient number, since it is larger than the sum of its proper divisors (1).

142341501979 is an equidigital number, since it uses as much as digits as its factorization.

142341501979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 142341501979 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, nine hundred seventy-nine".