142880073 has 16 divisors (see below), whose sum is σ = 218327040. Its totient is φ = 81418896.

The previous prime is 142880029. The next prime is 142880077. The reversal of 142880073 is 370088241.

It is not a de Polignac number, because 142880073 - 2⁶ = 142880009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142880077) 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, 1563 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (13645440).

Almost surely, 2^142880073 is an apocalyptic number.

It is an amenable number.

142880073 is a deficient number, since it is larger than the sum of its proper divisors (75446967).

142880073 is a wasteful number, since it uses less digits than its factorization.

142880073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 142880073 is about 11953.2452915516. The cubic root of 142880073 is about 522.7859265459.

The spelling of 142880073 in words is "one hundred forty-two million, eight hundred eighty thousand, seventy-three".