142696528 has 20 divisors (see below), whose sum is σ = 297742228. Its totient is φ = 65859840.

The previous prime is 142696493. The next prime is 142696529. The reversal of 142696528 is 825696241.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 135769104 = 2632^2 + 11652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142696529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342813 + ... + 343228.

Almost surely, 2^142696528 is an apocalyptic number.

It is an amenable number.

142696528 is an abundant number, since it is smaller than the sum of its proper divisors (155045700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142696528 is a wasteful number, since it uses less digits than its factorization.

142696528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686062 (or 686056 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 142696528 is about 11945.5652021995. The cubic root of 142696528 is about 522.5619721523.

The spelling of 142696528 in words is "one hundred forty-two million, six hundred ninety-six thousand, five hundred twenty-eight".