142632451447 has 2 divisors, whose sum is σ = 142632451448. Its totient is φ = 142632451446.

The previous prime is 142632451391. The next prime is 142632451487. The reversal of 142632451447 is 744154236241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142632451447 - 2³⁵ = 108272713079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142632451487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71316225723 + 71316225724.

It is an arithmetic number, because the mean of its divisors is an integer number (71316225724).

Almost surely, 2^142632451447 is an apocalyptic number.

142632451447 is a deficient number, since it is larger than the sum of its proper divisors (1).

142632451447 is an equidigital number, since it uses as much as digits as its factorization.

142632451447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 43.

Adding to 142632451447 its reverse (744154236241), we get a palindrome (886786687688).

The spelling of 142632451447 in words is "one hundred forty-two billion, six hundred thirty-two million, four hundred fifty-one thousand, four hundred forty-seven".