142315039961 has 2 divisors, whose sum is σ = 142315039962. Its totient is φ = 142315039960.

The previous prime is 142315039943. The next prime is 142315039973. The reversal of 142315039961 is 169930513241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123636624400 + 18678415561 = 351620^2 + 136669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142315039961 is a prime.

It is not a weakly prime, because it can be changed into another prime (142315039991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71157519980 + 71157519981.

It is an arithmetic number, because the mean of its divisors is an integer number (71157519981).

Almost surely, 2^142315039961 is an apocalyptic number.

It is an amenable number.

142315039961 is a deficient number, since it is larger than the sum of its proper divisors (1).

142315039961 is an equidigital number, since it uses as much as digits as its factorization.

142315039961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 142315039961 in words is "one hundred forty-two billion, three hundred fifteen million, thirty-nine thousand, nine hundred sixty-one".