142772823812 has 48 divisors (see below), whose sum is σ = 264234700800. Its totient is φ = 67313170080.

The previous prime is 142772823773. The next prime is 142772823827. The reversal of 142772823812 is 218328277241.

It is a super-2 number, since 2×142772823812² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14505989 + ... + 14515827.

It is an arithmetic number, because the mean of its divisors is an integer number (5504889600).

Almost surely, 2^142772823812 is an apocalyptic number.

It is an amenable number.

142772823812 is a deficient number, since it is larger than the sum of its proper divisors (121461876988).

142772823812 is a wasteful number, since it uses less digits than its factorization.

142772823812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10736 (or 10734 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The spelling of 142772823812 in words is "one hundred forty-two billion, seven hundred seventy-two million, eight hundred twenty-three thousand, eight hundred twelve".