142024343381 has 2 divisors, whose sum is σ = 142024343382. Its totient is φ = 142024343380.

The previous prime is 142024343339. The next prime is 142024343389. The reversal of 142024343381 is 183343420241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112771714225 + 29252629156 = 335815^2 + 171034^2 .

It is a cyclic number.

It is not a de Polignac number, because 142024343381 - 2³⁴ = 124844474197 is a prime.

It is a super-2 number, since 2×142024343381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142024343389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71012171690 + 71012171691.

It is an arithmetic number, because the mean of its divisors is an integer number (71012171691).

Almost surely, 2^142024343381 is an apocalyptic number.

It is an amenable number.

142024343381 is a deficient number, since it is larger than the sum of its proper divisors (1).

142024343381 is an equidigital number, since it uses as much as digits as its factorization.

142024343381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 142024343381 in words is "one hundred forty-two billion, twenty-four million, three hundred forty-three thousand, three hundred eighty-one".