142341501971 has 2 divisors, whose sum is σ = 142341501972. Its totient is φ = 142341501970.

The previous prime is 142341501947. The next prime is 142341501979. The reversal of 142341501971 is 179105143241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142341501971 is a prime.

It is a super-2 number, since 2×142341501971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142341501979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71170750985 + 71170750986.

It is an arithmetic number, because the mean of its divisors is an integer number (71170750986).

Almost surely, 2^142341501971 is an apocalyptic number.

142341501971 is a deficient number, since it is larger than the sum of its proper divisors (1).

142341501971 is an equidigital number, since it uses as much as digits as its factorization.

142341501971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 142341501971 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, nine hundred seventy-one".