142158392 has 8 divisors (see below), whose sum is σ = 266547000. Its totient is φ = 71079192.

The previous prime is 142158353. The next prime is 142158397. The reversal of 142158392 is 293851241.

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 (142158397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8884892 + ... + 8884907.

It is an arithmetic number, because the mean of its divisors is an integer number (33318375).

Almost surely, 2^142158392 is an apocalyptic number.

It is an amenable number.

142158392 is a deficient number, since it is larger than the sum of its proper divisors (124388608).

142158392 is a wasteful number, since it uses less digits than its factorization.

142158392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17769805 (or 17769801 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 142158392 is about 11923.0194162385. The cubic root of 142158392 is about 521.9042508232.

The spelling of 142158392 in words is "one hundred forty-two million, one hundred fifty-eight thousand, three hundred ninety-two".