142584853421 has 2 divisors, whose sum is σ = 142584853422. Its totient is φ = 142584853420.

The previous prime is 142584853403. The next prime is 142584853441. The reversal of 142584853421 is 124358485241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88440217321 + 54144636100 = 297389^2 + 232690^2 .

It is a cyclic number.

It is not a de Polignac number, because 142584853421 - 2¹⁸ = 142584591277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142584853441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71292426710 + 71292426711.

It is an arithmetic number, because the mean of its divisors is an integer number (71292426711).

Almost surely, 2^142584853421 is an apocalyptic number.

It is an amenable number.

142584853421 is a deficient number, since it is larger than the sum of its proper divisors (1).

142584853421 is an equidigital number, since it uses as much as digits as its factorization.

142584853421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1228800, while the sum is 47.

The spelling of 142584853421 in words is "one hundred forty-two billion, five hundred eighty-four million, eight hundred fifty-three thousand, four hundred twenty-one".