142140424430 has 16 divisors (see below), whose sum is σ = 269318699280. Its totient is φ = 53863739712.

The previous prime is 142140424423. The next prime is 142140424451. The reversal of 142140424430 is 34424041241.

It is a junction number, because it is equal to n+sod(n) for n = 142140424393 and 142140424402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374053559 + ... + 374053938.

It is an arithmetic number, because the mean of its divisors is an integer number (16832418705).

Almost surely, 2^142140424430 is an apocalyptic number.

142140424430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142140424430 is a deficient number, since it is larger than the sum of its proper divisors (127178274850).

142140424430 is a wasteful number, since it uses less digits than its factorization.

142140424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748107523.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142140424430 its reverse (34424041241), we get a palindrome (176564465671).

The spelling of 142140424430 in words is "one hundred forty-two billion, one hundred forty million, four hundred twenty-four thousand, four hundred thirty".