142256372501 has 2 divisors, whose sum is σ = 142256372502. Its totient is φ = 142256372500.

The previous prime is 142256372497. The next prime is 142256372507. The reversal of 142256372501 is 105273652241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104697544900 + 37558827601 = 323570^2 + 193801^2 .

It is a cyclic number.

It is not a de Polignac number, because 142256372501 - 2² = 142256372497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142256372507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71128186250 + 71128186251.

It is an arithmetic number, because the mean of its divisors is an integer number (71128186251).

Almost surely, 2^142256372501 is an apocalyptic number.

It is an amenable number.

142256372501 is a deficient number, since it is larger than the sum of its proper divisors (1).

142256372501 is an equidigital number, since it uses as much as digits as its factorization.

142256372501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 142256372501 in words is "one hundred forty-two billion, two hundred fifty-six million, three hundred seventy-two thousand, five hundred one".