142845816644 has 24 divisors (see below), whose sum is σ = 264903072000. Its totient is φ = 67209683040.

The previous prime is 142845816613. The next prime is 142845816653. The reversal of 142845816644 is 446618548241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295892 + ... + 6318539.

It is an arithmetic number, because the mean of its divisors is an integer number (11037628000).

Almost surely, 2^142845816644 is an apocalyptic number.

It is an amenable number.

142845816644 is a deficient number, since it is larger than the sum of its proper divisors (122057255356).

142845816644 is a wasteful number, since it uses less digits than its factorization.

142845816644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614603 (or 12614601 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 53.

The spelling of 142845816644 in words is "one hundred forty-two billion, eight hundred forty-five million, eight hundred sixteen thousand, six hundred forty-four".