142033430 has 96 divisors (see below), whose sum is σ = 329797440. Its totient is φ = 43084800.

The previous prime is 142033373. The next prime is 142033439. The reversal of 142033430 is 34330241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142033439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347066 + ... + 347474.

It is an arithmetic number, because the mean of its divisors is an integer number (3435390).

Almost surely, 2^142033430 is an apocalyptic number.

142033430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142033430 is an abundant number, since it is smaller than the sum of its proper divisors (187764010).

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

142033430 is a wasteful number, since it uses less digits than its factorization.

142033430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 142033430 is about 11917.7778969068. Note that the first 3 decimals coincide. The cubic root of 142033430 is about 521.7512822059.

Adding to 142033430 its reverse (34330241), we get a palindrome (176363671).

The spelling of 142033430 in words is "one hundred forty-two million, thirty-three thousand, four hundred thirty".