142102230 has 32 divisors (see below), whose sum is σ = 342489600. Its totient is φ = 37733472.

The previous prime is 142102157. The next prime is 142102231. The reversal of 142102230 is 32201241.

142102230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142102231) 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, 2740 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (10702800).

Almost surely, 2^142102230 is an apocalyptic number.

142102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142102230 is an abundant number, since it is smaller than the sum of its proper divisors (200387370).

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

142102230 is a wasteful number, since it uses less digits than its factorization.

142102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20068.

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

The square root of 142102230 is about 11920.6639915736. The cubic root of 142102230 is about 521.8355128310.

Adding to 142102230 its reverse (32201241), we get a palindrome (174303471).

The spelling of 142102230 in words is "one hundred forty-two million, one hundred two thousand, two hundred thirty".