142165203 has 8 divisors (see below), whose sum is σ = 200703888. Its totient is φ = 89201664.

The previous prime is 142165147. The next prime is 142165207. The reversal of 142165203 is 302561241.

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

It is not a de Polignac number, because 142165203 - 2⁹ = 142164691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142165207) 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, 1393726 + ... + 1393827.

It is an arithmetic number, because the mean of its divisors is an integer number (25087986).

Almost surely, 2^142165203 is an apocalyptic number.

142165203 is a deficient number, since it is larger than the sum of its proper divisors (58538685).

142165203 is a wasteful number, since it uses less digits than its factorization.

142165203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787573.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142165203 is about 11923.3050367757. The cubic root of 142165203 is about 521.9125857353.

The spelling of 142165203 in words is "one hundred forty-two million, one hundred sixty-five thousand, two hundred three".