142289749237 has 2 divisors, whose sum is σ = 142289749238. Its totient is φ = 142289749236.

The previous prime is 142289749193. The next prime is 142289749243. The reversal of 142289749237 is 732947982241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81865226641 + 60424522596 = 286121^2 + 245814^2 .

It is a cyclic number.

It is not a de Polignac number, because 142289749237 - 2³¹ = 140142265589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142289759237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71144874618 + 71144874619.

It is an arithmetic number, because the mean of its divisors is an integer number (71144874619).

Almost surely, 2^142289749237 is an apocalyptic number.

It is an amenable number.

142289749237 is a deficient number, since it is larger than the sum of its proper divisors (1).

142289749237 is an equidigital number, since it uses as much as digits as its factorization.

142289749237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 58.

The spelling of 142289749237 in words is "one hundred forty-two billion, two hundred eighty-nine million, seven hundred forty-nine thousand, two hundred thirty-seven".