142880529 has 32 divisors (see below), whose sum is σ = 225206784. Its totient is φ = 79591680.

The previous prime is 142880503. The next prime is 142880533. The reversal of 142880529 is 925088241.

It is not a de Polignac number, because 142880529 - 2⁵ = 142880497 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (142880539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21162 + ... + 27084.

It is an arithmetic number, because the mean of its divisors is an integer number (7037712).

Almost surely, 2^142880529 is an apocalyptic number.

It is an amenable number.

142880529 is a deficient number, since it is larger than the sum of its proper divisors (82326255).

142880529 is a wasteful number, since it uses less digits than its factorization.

142880529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 142880529 is about 11953.2643658542. The cubic root of 142880529 is about 522.7864827003.

The spelling of 142880529 in words is "one hundred forty-two million, eight hundred eighty thousand, five hundred twenty-nine".