142423110245434 has 4 divisors (see below), whose sum is σ = 213634665368154. Its totient is φ = 71211555122716.

The previous prime is 142423110245417. The next prime is 142423110245453. The reversal of 142423110245434 is 434542011324241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135371945153025 + 7051165092409 = 11634945^2 + 2655403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35605777561357 + ... + 35605777561360.

Almost surely, 2^{142423110245434} is an apocalyptic number.

142423110245434 is a deficient number, since it is larger than the sum of its proper divisors (71211555122720).

142423110245434 is an equidigital number, since it uses as much as digits as its factorization.

142423110245434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71211555122719.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 142423110245434 its reverse (434542011324241), we get a palindrome (576965121569675).

The spelling of 142423110245434 in words is "one hundred forty-two trillion, four hundred twenty-three billion, one hundred ten million, two hundred forty-five thousand, four hundred thirty-four".