102233142 has 72 divisors (see below), whose sum is σ = 247191672. Its totient is φ = 30507840.

The previous prime is 102233077. The next prime is 102233179. The reversal of 102233142 is 241332201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 158673 + ... + 159315.

Almost surely, 2^102233142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102233142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123595836).

102233142 is an abundant number, since it is smaller than the sum of its proper divisors (144958530).

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

102233142 is a wasteful number, since it uses less digits than its factorization.

102233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 732 counting only the distinct ones).

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

The square root of 102233142 is about 10111.0405992657. The cubic root of 102233142 is about 467.5885875952.

Adding to 102233142 its reverse (241332201), we get a palindrome (343565343).

The spelling of 102233142 in words is "one hundred two million, two hundred thirty-three thousand, one hundred forty-two".