142434743 has 8 divisors (see below), whose sum is σ = 156174480. Its totient is φ = 128826880.

The previous prime is 142434737. The next prime is 142434767. The reversal of 142434743 is 347434241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142434743 - 2⁴ = 142434727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434713) 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, 30698 + ... + 35031.

It is an arithmetic number, because the mean of its divisors is an integer number (19521810).

Almost surely, 2^142434743 is an apocalyptic number.

142434743 is a deficient number, since it is larger than the sum of its proper divisors (13739737).

142434743 is a wasteful number, since it uses less digits than its factorization.

142434743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65937.

The product of its digits is 32256, while the sum is 32.

The square root of 142434743 is about 11934.6027583661. The cubic root of 142434743 is about 522.2422198586.

Adding to 142434743 its reverse (347434241), we get a palindrome (489868984).

The spelling of 142434743 in words is "one hundred forty-two million, four hundred thirty-four thousand, seven hundred forty-three".