142992923 has 8 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 140236200.

The previous prime is 142992877. The next prime is 142992959. The reversal of 142992923 is 329299241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142992923 - 2⁶ = 142992859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142992973) 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 in 7 ways as a sum of consecutive naturals, for example, 5936 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (18221760).

Almost surely, 2^142992923 is an apocalyptic number.

142992923 is a deficient number, since it is larger than the sum of its proper divisors (2781157).

142992923 is a wasteful number, since it uses less digits than its factorization.

142992923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12217.

The product of its digits is 69984, while the sum is 41.

The square root of 142992923 is about 11957.9648352050. The cubic root of 142992923 is about 522.9235264812.

The spelling of 142992923 in words is "one hundred forty-two million, nine hundred ninety-two thousand, nine hundred twenty-three".