142922872 has 8 divisors (see below), whose sum is σ = 267980400. Its totient is φ = 71461432.

The previous prime is 142922863. The next prime is 142922873. The reversal of 142922872 is 278229241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142922873) by changing a digit.

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 as a sum of consecutive naturals, namely, 8932672 + ... + 8932687.

It is an arithmetic number, because the mean of its divisors is an integer number (33497550).

Almost surely, 2^142922872 is an apocalyptic number.

It is an amenable number.

142922872 is a deficient number, since it is larger than the sum of its proper divisors (125057528).

142922872 is a wasteful number, since it uses less digits than its factorization.

142922872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17865365 (or 17865361 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 142922872 is about 11955.0354244561. The cubic root of 142922872 is about 522.8381206243.

The spelling of 142922872 in words is "one hundred forty-two million, nine hundred twenty-two thousand, eight hundred seventy-two".