142769823 has 16 divisors (see below), whose sum is σ = 220536576. Its totient is φ = 80464320.

The previous prime is 142769801. The next prime is 142769843. The reversal of 142769823 is 328967241.

It is not a de Polignac number, because 142769823 - 2⁸ = 142769567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142769843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45033 + ... + 48098.

It is an arithmetic number, because the mean of its divisors is an integer number (13783536).

Almost surely, 2^142769823 is an apocalyptic number.

142769823 is a deficient number, since it is larger than the sum of its proper divisors (77766753).

142769823 is an equidigital number, since it uses as much as digits as its factorization.

142769823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93214.

The product of its digits is 145152, while the sum is 42.

The square root of 142769823 is about 11948.6326832822. The cubic root of 142769823 is about 522.6514268490.

The spelling of 142769823 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, eight hundred twenty-three".