142431030 has 192 divisors, whose sum is σ = 454371840. Its totient is φ = 30233088.

The previous prime is 142431013. The next prime is 142431031. The reversal of 142431030 is 30134241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142430994 and 142431012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142431031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 873729 + ... + 873891.

It is an arithmetic number, because the mean of its divisors is an integer number (2366520).

Almost surely, 2^142431030 is an apocalyptic number.

142431030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142431030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227185920).

142431030 is an abundant number, since it is smaller than the sum of its proper divisors (311940810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142431030 is a wasteful number, since it uses less digits than its factorization.

142431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142431030 is about 11934.4472012741. The cubic root of 142431030 is about 522.2376818688.

Adding to 142431030 its reverse (30134241), we get a palindrome (172565271).

The spelling of 142431030 in words is "one hundred forty-two million, four hundred thirty-one thousand, thirty".