142255239461 has 2 divisors, whose sum is σ = 142255239462. Its totient is φ = 142255239460.

The previous prime is 142255239409. The next prime is 142255239509. The reversal of 142255239461 is 164932552241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111065560225 + 31189679236 = 333265^2 + 176606^2 .

It is a cyclic number.

It is not a de Polignac number, because 142255239461 - 2²⁶ = 142188130597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142255139461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71127619730 + 71127619731.

It is an arithmetic number, because the mean of its divisors is an integer number (71127619731).

Almost surely, 2^142255239461 is an apocalyptic number.

It is an amenable number.

142255239461 is a deficient number, since it is larger than the sum of its proper divisors (1).

142255239461 is an equidigital number, since it uses as much as digits as its factorization.

142255239461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 142255239461 in words is "one hundred forty-two billion, two hundred fifty-five million, two hundred thirty-nine thousand, four hundred sixty-one".