142923297 has 8 divisors (see below), whose sum is σ = 207888480. Its totient is φ = 86620160.

The previous prime is 142923289. The next prime is 142923317. The reversal of 142923297 is 792329241.

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

It is not a de Polignac number, because 142923297 - 2³ = 142923289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142923257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165472 + ... + 2165537.

It is an arithmetic number, because the mean of its divisors is an integer number (25986060).

Almost surely, 2^142923297 is an apocalyptic number.

It is an amenable number.

142923297 is a deficient number, since it is larger than the sum of its proper divisors (64965183).

142923297 is a wasteful number, since it uses less digits than its factorization.

142923297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331023.

The product of its digits is 54432, while the sum is 39.

The square root of 142923297 is about 11955.0531993798. The cubic root of 142923297 is about 522.8386388664.

The spelling of 142923297 in words is "one hundred forty-two million, nine hundred twenty-three thousand, two hundred ninety-seven".