142189004 has 6 divisors (see below), whose sum is σ = 248830764. Its totient is φ = 71094500.

The previous prime is 142188979. The next prime is 142189009. The reversal of 142189004 is 400981241.

It is not an unprimeable number, because it can be changed into a prime (142189009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17773622 + ... + 17773629.

It is an arithmetic number, because the mean of its divisors is an integer number (41471794).

Almost surely, 2^142189004 is an apocalyptic number.

It is an amenable number.

142189004 is a deficient number, since it is larger than the sum of its proper divisors (106641760).

142189004 is a wasteful number, since it uses less digits than its factorization.

142189004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35547255 (or 35547253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 142189004 is about 11924.3030823608. The cubic root of 142189004 is about 521.9417099467.

The spelling of 142189004 in words is "one hundred forty-two million, one hundred eighty-nine thousand, four".