142830511 has 8 divisors (see below), whose sum is σ = 146594448. Its totient is φ = 139080000.

The previous prime is 142830491. The next prime is 142830551. The reversal of 142830511 is 115038241.

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 142830511 - 2¹³ = 142822319 is a prime.

It is a super-2 number, since 2×142830511² = 40801109745042242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142830551) 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, 20361 + ... + 26461.

It is an arithmetic number, because the mean of its divisors is an integer number (18324306).

Almost surely, 2^142830511 is an apocalyptic number.

142830511 is a deficient number, since it is larger than the sum of its proper divisors (3763937).

142830511 is an equidigital number, since it uses as much as digits as its factorization.

142830511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 142830511 is about 11951.1719509009. The cubic root of 142830511 is about 522.7254718536.

Adding to 142830511 its reverse (115038241), we get a palindrome (257868752).

It can be divided in two parts, 142830 and 511, that added together give a palindrome (143341).

The spelling of 142830511 in words is "one hundred forty-two million, eight hundred thirty thousand, five hundred eleven".