142734259 has 4 divisors (see below), whose sum is σ = 147656160. Its totient is φ = 137812360.

The previous prime is 142734257. The next prime is 142734269. The reversal of 142734259 is 952437241.

142734259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142734259 - 2¹ = 142734257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142734257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460907 + ... + 2460964.

It is an arithmetic number, because the mean of its divisors is an integer number (36914040).

Almost surely, 2^142734259 is an apocalyptic number.

142734259 is a deficient number, since it is larger than the sum of its proper divisors (4921901).

142734259 is an equidigital number, since it uses as much as digits as its factorization.

142734259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921900.

The product of its digits is 60480, while the sum is 37.

The square root of 142734259 is about 11947.1443868399. The cubic root of 142734259 is about 522.6080257097.

The spelling of 142734259 in words is "one hundred forty-two million, seven hundred thirty-four thousand, two hundred fifty-nine".