142769663 has 4 divisors (see below), whose sum is σ = 147375168. Its totient is φ = 138164160.

The previous prime is 142769659. The next prime is 142769681. The reversal of 142769663 is 366967241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142769663 - 2² = 142769659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142768663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2302706 + ... + 2302767.

It is an arithmetic number, because the mean of its divisors is an integer number (36843792).

Almost surely, 2^142769663 is an apocalyptic number.

142769663 is a deficient number, since it is larger than the sum of its proper divisors (4605505).

142769663 is an equidigital number, since it uses as much as digits as its factorization.

142769663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605504.

The product of its digits is 326592, while the sum is 44.

The square root of 142769663 is about 11948.6259879536. The cubic root of 142769663 is about 522.6512316064.

The spelling of 142769663 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, six hundred sixty-three".