142321024112669 has 2 divisors, whose sum is σ = 142321024112670. Its totient is φ = 142321024112668.

The previous prime is 142321024112633. The next prime is 142321024112677. The reversal of 142321024112669 is 966211420123241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138934264813444 + 3386759299225 = 11787038^2 + 1840315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321024112669 is a prime.

It is a super-2 number, since 2×142321024112669² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321024112369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160512056334 + 71160512056335.

It is an arithmetic number, because the mean of its divisors is an integer number (71160512056335).

Almost surely, 2^{142321024112669} is an apocalyptic number.

It is an amenable number.

142321024112669 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321024112669 is an equidigital number, since it uses as much as digits as its factorization.

142321024112669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 142321024112669 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-four million, one hundred twelve thousand, six hundred sixty-nine".