142430511 has 8 divisors (see below), whose sum is σ = 191588400. Its totient is φ = 94113152.

The previous prime is 142430507. The next prime is 142430531. The reversal of 142430511 is 115034241.

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 142430511 - 2² = 142430507 is a prime.

It is a super-2 number, since 2×142430511² = 40572900927442242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142430531) 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, 209736 + ... + 210413.

It is an arithmetic number, because the mean of its divisors is an integer number (23948550).

Almost surely, 2^142430511 is an apocalyptic number.

142430511 is a deficient number, since it is larger than the sum of its proper divisors (49157889).

142430511 is a wasteful number, since it uses less digits than its factorization.

142430511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420265.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142430511 is about 11934.4254574739. The cubic root of 142430511 is about 522.2370475462.

Adding to 142430511 its reverse (115034241), we get a palindrome (257464752).

The spelling of 142430511 in words is "one hundred forty-two million, four hundred thirty thousand, five hundred eleven".