142323543445436 has 12 divisors (see below), whose sum is σ = 249066382466328. Its totient is φ = 71161719883632.

The previous prime is 142323543445427. The next prime is 142323543445451. The reversal of 142323543445436 is 634544345323241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415211 + ... + 18049986.

It is an arithmetic number, because the mean of its divisors is an integer number (20755531872194).

Almost surely, 2^{142323543445436} is an apocalyptic number.

It is an amenable number.

142323543445436 is a deficient number, since it is larger than the sum of its proper divisors (106742839020892).

142323543445436 is a wasteful number, since it uses less digits than its factorization.

142323543445436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919548 (or 25919546 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 53.

Adding to 142323543445436 its reverse (634544345323241), we get a palindrome (776867888768677).

The spelling of 142323543445436 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-three million, four hundred forty-five thousand, four hundred thirty-six".