142301022989 has 2 divisors, whose sum is σ = 142301022990. Its totient is φ = 142301022988.

The previous prime is 142301022979. The next prime is 142301022991. The reversal of 142301022989 is 989220103241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139938090889 + 2362932100 = 374083^2 + 48610^2 .

It is a cyclic number.

It is not a de Polignac number, because 142301022989 - 2¹⁶ = 142300957453 is a prime.

It is a super-2 number, since 2×142301022989² (a number of 23 digits) contains 22 as substring.

Together with 142301022991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142301022979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71150511494 + 71150511495.

It is an arithmetic number, because the mean of its divisors is an integer number (71150511495).

Almost surely, 2^142301022989 is an apocalyptic number.

It is an amenable number.

142301022989 is a deficient number, since it is larger than the sum of its proper divisors (1).

142301022989 is an equidigital number, since it uses as much as digits as its factorization.

142301022989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 142301022989 in words is "one hundred forty-two billion, three hundred one million, twenty-two thousand, nine hundred eighty-nine".