142165275 has 24 divisors (see below), whose sum is σ = 268625664. Its totient is φ = 64989600.

The previous prime is 142165273. The next prime is 142165291. The reversal of 142165275 is 572561241.

It is not a de Polignac number, because 142165275 - 2¹ = 142165273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142165273) 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 23 ways as a sum of consecutive naturals, for example, 134871 + ... + 135920.

It is an arithmetic number, because the mean of its divisors is an integer number (11192736).

Almost surely, 2^142165275 is an apocalyptic number.

142165275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142165275 is a deficient number, since it is larger than the sum of its proper divisors (126460389).

142165275 is a wasteful number, since it uses less digits than its factorization.

142165275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270811 (or 270806 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 142165275 is about 11923.3080560724. The cubic root of 142165275 is about 521.9126738433.

It can be divided in two parts, 14216 and 5275, that added together give a palindrome (19491).

The spelling of 142165275 in words is "one hundred forty-two million, one hundred sixty-five thousand, two hundred seventy-five".