142245433177 has 2 divisors, whose sum is σ = 142245433178. Its totient is φ = 142245433176.

The previous prime is 142245433139. The next prime is 142245433181. The reversal of 142245433177 is 771334542241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139479093961 + 2766339216 = 373469^2 + 52596^2 .

It is a cyclic number.

It is not a de Polignac number, because 142245433177 - 2⁷ = 142245433049 is a prime.

It is not a weakly prime, because it can be changed into another prime (142245431177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71122716588 + 71122716589.

It is an arithmetic number, because the mean of its divisors is an integer number (71122716589).

Almost surely, 2^142245433177 is an apocalyptic number.

It is an amenable number.

142245433177 is a deficient number, since it is larger than the sum of its proper divisors (1).

142245433177 is an equidigital number, since it uses as much as digits as its factorization.

142245433177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 43.

The spelling of 142245433177 in words is "one hundred forty-two billion, two hundred forty-five million, four hundred thirty-three thousand, one hundred seventy-seven".