142224430 has 8 divisors (see below), whose sum is σ = 256003992. Its totient is φ = 56889768.

The previous prime is 142224427. The next prime is 142224457. The reversal of 142224430 is 34422241.

It is a happy number.

142224430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7111212 + ... + 7111231.

It is an arithmetic number, because the mean of its divisors is an integer number (32000499).

Almost surely, 2^142224430 is an apocalyptic number.

142224430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142224430 is a deficient number, since it is larger than the sum of its proper divisors (113779562).

142224430 is a wasteful number, since it uses less digits than its factorization.

142224430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222450.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142224430 is about 11925.7884435370. The cubic root of 142224430 is about 521.9850531287.

Adding to 142224430 its reverse (34422241), we get a palindrome (176646671).

It can be divided in two parts, 1422 and 24430, that added together give a palindrome (25852).

The spelling of 142224430 in words is "one hundred forty-two million, two hundred twenty-four thousand, four hundred thirty".