142188892 has 24 divisors (see below), whose sum is σ = 252640080. Its totient is φ = 70012800.

The previous prime is 142188881. The next prime is 142188919. The reversal of 142188892 is 298881241.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 108642 + ... + 109942.

It is an arithmetic number, because the mean of its divisors is an integer number (10526670).

Almost surely, 2^142188892 is an apocalyptic number.

It is an amenable number.

142188892 is a deficient number, since it is larger than the sum of its proper divisors (110451188).

142188892 is a wasteful number, since it uses less digits than its factorization.

142188892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1699 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 142188892 is about 11924.2983860687. The cubic root of 142188892 is about 521.9415729050.

The spelling of 142188892 in words is "one hundred forty-two million, one hundred eighty-eight thousand, eight hundred ninety-two".