142421421555253 has 2 divisors, whose sum is σ = 142421421555254. Its totient is φ = 142421421555252.

The previous prime is 142421421555247. The next prime is 142421421555289. The reversal of 142421421555253 is 352555124124241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130518217744849 + 11903203810404 = 11424457^2 + 3450102^2 .

It is a cyclic number.

It is not a de Polignac number, because 142421421555253 - 2³⁷ = 142283982601781 is a prime.

It is a super-2 number, since 2×142421421555253² (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 (142421421555953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71210710777626 + 71210710777627.

It is an arithmetic number, because the mean of its divisors is an integer number (71210710777627).

Almost surely, 2^{142421421555253} is an apocalyptic number.

It is an amenable number.

142421421555253 is a deficient number, since it is larger than the sum of its proper divisors (1).

142421421555253 is an equidigital number, since it uses as much as digits as its factorization.

142421421555253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920000, while the sum is 46.

Adding to 142421421555253 its reverse (352555124124241), we get a palindrome (494976545679494).

The spelling of 142421421555253 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred twenty-one million, five hundred fifty-five thousand, two hundred fifty-three".