142165263 has 8 divisors (see below), whose sum is σ = 190689408. Its totient is φ = 94208984.

The previous prime is 142165249. The next prime is 142165273. The reversal of 142165263 is 362561241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142165263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142165263.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 141381 + ... + 142382.

It is an arithmetic number, because the mean of its divisors is an integer number (23836176).

Almost surely, 2^142165263 is an apocalyptic number.

142165263 is a deficient number, since it is larger than the sum of its proper divisors (48524145).

142165263 is a wasteful number, since it uses less digits than its factorization.

142165263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283933.

The product of its digits is 8640, while the sum is 30.

The square root of 142165263 is about 11923.3075528563. The cubic root of 142165263 is about 521.9126591586.

The spelling of 142165263 in words is "one hundred forty-two million, one hundred sixty-five thousand, two hundred sixty-three".