142769746 has 16 divisors (see below), whose sum is σ = 245045376. Its totient is φ = 61112736.

The previous prime is 142769719. The next prime is 142769747. The reversal of 142769746 is 647967241.

It is a junction number, because it is equal to n+sod(n) for n = 142769696 and 142769705.

It is not an unprimeable number, because it can be changed into a prime (142769747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670 + ... + 18166.

It is an arithmetic number, because the mean of its divisors is an integer number (15315336).

Almost surely, 2^142769746 is an apocalyptic number.

142769746 is a deficient number, since it is larger than the sum of its proper divisors (102275630).

142769746 is a wasteful number, since it uses less digits than its factorization.

142769746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393.

The product of its digits is 508032, while the sum is 46.

The square root of 142769746 is about 11948.6294611558. The cubic root of 142769746 is about 522.6513328885.

The spelling of 142769746 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, seven hundred forty-six".