142143004 has 12 divisors (see below), whose sum is σ = 249044544. Its totient is φ = 70987424.

The previous prime is 142142989. The next prime is 142143017. The reversal of 142143004 is 400341241.

142143004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142143004² = 40409267172288032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17137 + ... + 24040.

It is an arithmetic number, because the mean of its divisors is an integer number (20753712).

Almost surely, 2^142143004 is an apocalyptic number.

It is an amenable number.

142143004 is a deficient number, since it is larger than the sum of its proper divisors (106901540).

142143004 is a wasteful number, since it uses less digits than its factorization.

142143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42044 (or 42042 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142143004 is about 11922.3740924365. The cubic root of 142143004 is about 521.8854188891.

Adding to 142143004 its reverse (400341241), we get a palindrome (542484245).

The spelling of 142143004 in words is "one hundred forty-two million, one hundred forty-three thousand, four".