142012230 has 64 divisors (see below), whose sum is σ = 350887680. Its totient is φ = 36763776.

The previous prime is 142012223. The next prime is 142012243. The reversal of 142012230 is 32210241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364876 + ... + 365264.

It is an arithmetic number, because the mean of its divisors is an integer number (5482620).

Almost surely, 2^142012230 is an apocalyptic number.

142012230 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 142012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175443840).

142012230 is an abundant number, since it is smaller than the sum of its proper divisors (208875450).

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

142012230 is a wasteful number, since it uses less digits than its factorization.

142012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142012230 is about 11916.8884361649. Note that the first 3 decimals coincide. The cubic root of 142012230 is about 521.7253219383.

Adding to 142012230 its reverse (32210241), we get a palindrome (174222471).

The spelling of 142012230 in words is "one hundred forty-two million, twelve thousand, two hundred thirty".