142943004 has 108 divisors (see below), whose sum is σ = 404402544. Its totient is φ = 42418944.

The previous prime is 142942997. The next prime is 142943029. The reversal of 142943004 is 400349241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 220609 + ... + 221255.

It is an arithmetic number, because the mean of its divisors is an integer number (3744468).

Almost surely, 2^142943004 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 142943004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202201272).

142943004 is an abundant number, since it is smaller than the sum of its proper divisors (261459540).

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

142943004 is a wasteful number, since it uses less digits than its factorization.

142943004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 142943004 is about 11955.8773831116. The cubic root of 142943004 is about 522.8626683231.

The spelling of 142943004 in words is "one hundred forty-two million, nine hundred forty-three thousand, four".