142819712 has 64 divisors (see below), whose sum is σ = 331908000. Its totient is φ = 61189632.

The previous prime is 142819661. The next prime is 142819717. The reversal of 142819712 is 217918241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142819717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42278 + ... + 45530.

Almost surely, 2^142819712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142819712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165954000).

142819712 is an abundant number, since it is smaller than the sum of its proper divisors (189088288).

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

142819712 is an frugal number, since it uses more digits than its factorization.

142819712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288 (or 3262 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 142819712 is about 11950.7201456649. The cubic root of 142819712 is about 522.7122976034.

The spelling of 142819712 in words is "one hundred forty-two million, eight hundred nineteen thousand, seven hundred twelve".