142945712 has 80 divisors (see below), whose sum is σ = 351977472. Its totient is φ = 54708480.

The previous prime is 142945703. The next prime is 142945723. The reversal of 142945712 is 217549241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43553 + ... + 46719.

Almost surely, 2^142945712 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 142945712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175988736).

142945712 is an abundant number, since it is smaller than the sum of its proper divisors (209031760).

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

142945712 is a wasteful number, since it uses less digits than its factorization.

142945712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 3220 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 142945712 is about 11955.9906323148. The cubic root of 142945712 is about 522.8659701127.

The spelling of 142945712 in words is "one hundred forty-two million, nine hundred forty-five thousand, seven hundred twelve".