142403430 has 32 divisors (see below), whose sum is σ = 368059104. Its totient is φ = 35053056.

The previous prime is 142403413. The next prime is 142403431. The reversal of 142403430 is 34304241.

142403430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142403397 and 142403406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182179 + ... + 182958.

It is an arithmetic number, because the mean of its divisors is an integer number (11501847).

Almost surely, 2^142403430 is an apocalyptic number.

142403430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142403430 is an abundant number, since it is smaller than the sum of its proper divisors (225655674).

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

142403430 is a wasteful number, since it uses less digits than its factorization.

142403430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365160.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142403430 is about 11933.2908286021. The cubic root of 142403430 is about 522.2039469654.

Adding to 142403430 its reverse (34304241), we get a palindrome (176707671).

The spelling of 142403430 in words is "one hundred forty-two million, four hundred three thousand, four hundred thirty".