142888712 has 8 divisors (see below), whose sum is σ = 267916350. Its totient is φ = 71444352.

The previous prime is 142888679. The next prime is 142888717. The reversal of 142888712 is 217888241.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 61058596 = 9046^2 + 7814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 142888712.

It is not an unprimeable number, because it can be changed into a prime (142888717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8930537 + ... + 8930552.

Almost surely, 2^142888712 is an apocalyptic number.

It is an amenable number.

142888712 is a deficient number, since it is larger than the sum of its proper divisors (125027638).

142888712 is a wasteful number, since it uses less digits than its factorization.

142888712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17861095 (or 17861091 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 142888712 is about 11953.6066523874. The cubic root of 142888712 is about 522.7964627868.

The spelling of 142888712 in words is "one hundred forty-two million, eight hundred eighty-eight thousand, seven hundred twelve".