142421030 has 32 divisors (see below), whose sum is σ = 268971840. Its totient is φ = 54221440.

The previous prime is 142421021. The next prime is 142421051. The reversal of 142421030 is 30124241.

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 15 ways as a sum of consecutive naturals, for example, 17132 + ... + 24048.

It is an arithmetic number, because the mean of its divisors is an integer number (8405370).

Almost surely, 2^142421030 is an apocalyptic number.

142421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142421030 is a deficient number, since it is larger than the sum of its proper divisors (126550810).

142421030 is a wasteful number, since it uses less digits than its factorization.

142421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142421030 is about 11934.0282386125. The cubic root of 142421030 is about 522.2254595812.

Adding to 142421030 its reverse (30124241), we get a palindrome (172545271).

The spelling of 142421030 in words is "one hundred forty-two million, four hundred twenty-one thousand, thirty".