142678820512 has 48 divisors (see below), whose sum is σ = 297672618600. Its totient is φ = 67199426560.

The previous prime is 142678820509. The next prime is 142678820513. The reversal of 142678820512 is 215028876241.

It can be written as a sum of positive squares in 4 ways, for example, as 75512841616 + 67165978896 = 274796^2 + 259164^2 .

It is not an unprimeable number, because it can be changed into a prime (142678820513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836937 + ... + 1913032.

Almost surely, 2^142678820512 is an apocalyptic number.

It is an amenable number.

142678820512 is an abundant number, since it is smaller than the sum of its proper divisors (154993798088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142678820512 is a wasteful number, since it uses less digits than its factorization.

142678820512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750049 (or 3750041 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 142678820512 in words is "one hundred forty-two billion, six hundred seventy-eight million, eight hundred twenty thousand, five hundred twelve".