102420143453 has 2 divisors, whose sum is σ = 102420143454. Its totient is φ = 102420143452.

The previous prime is 102420143333. The next prime is 102420143467. The reversal of 102420143453 is 354341024201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102388480324 + 31663129 = 319982^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 102420143453 - 2¹² = 102420139357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102420143153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51210071726 + 51210071727.

It is an arithmetic number, because the mean of its divisors is an integer number (51210071727).

Almost surely, 2^102420143453 is an apocalyptic number.

It is an amenable number.

102420143453 is a deficient number, since it is larger than the sum of its proper divisors (1).

102420143453 is an equidigital number, since it uses as much as digits as its factorization.

102420143453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 102420143453 its reverse (354341024201), we get a palindrome (456761167654).

The spelling of 102420143453 in words is "one hundred two billion, four hundred twenty million, one hundred forty-three thousand, four hundred fifty-three".