142326345464249 has 2 divisors, whose sum is σ = 142326345464250. Its totient is φ = 142326345464248.

The previous prime is 142326345464179. The next prime is 142326345464263. The reversal of 142326345464249 is 942464543623241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111271527355024 + 31054818109225 = 10548532^2 + 5572685^2 .

It is a cyclic number.

It is not a de Polignac number, because 142326345464249 - 2¹² = 142326345460153 is a prime.

It is a super-2 number, since 2×142326345464249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142326345364249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71163172732124 + 71163172732125.

It is an arithmetic number, because the mean of its divisors is an integer number (71163172732125).

Almost surely, 2^{142326345464249} is an apocalyptic number.

It is an amenable number.

142326345464249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142326345464249 is an equidigital number, since it uses as much as digits as its factorization.

142326345464249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119439360, while the sum is 59.

The spelling of 142326345464249 in words is "one hundred forty-two trillion, three hundred twenty-six billion, three hundred forty-five million, four hundred sixty-four thousand, two hundred forty-nine".