142023165 has 16 divisors (see below), whose sum is σ = 227606976. Its totient is φ = 75622400.

The previous prime is 142023097. The next prime is 142023181. The reversal of 142023165 is 561320241.

It is not a de Polignac number, because 142023165 - 2⁹ = 142022653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (14225436).

Almost surely, 2^142023165 is an apocalyptic number.

142023165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142023165 is a deficient number, since it is larger than the sum of its proper divisors (85583811).

142023165 is a wasteful number, since it uses less digits than its factorization.

142023165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15420.

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

The square root of 142023165 is about 11917.3472299837. The cubic root of 142023165 is about 521.7387126159.

The spelling of 142023165 in words is "one hundred forty-two million, twenty-three thousand, one hundred sixty-five".