102143332 has 6 divisors (see below), whose sum is σ = 178750838. Its totient is φ = 51071664.

The previous prime is 102143329. The next prime is 102143381. The reversal of 102143332 is 233341201.

It can be written as a sum of positive squares in only one way, i.e., 76983076 + 25160256 = 8774^2 + 5016^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12767913 + ... + 12767920.

Almost surely, 2^102143332 is an apocalyptic number.

It is an amenable number.

102143332 is a deficient number, since it is larger than the sum of its proper divisors (76607506).

102143332 is a wasteful number, since it uses less digits than its factorization.

102143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25535837 (or 25535835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 102143332 is about 10106.5984386439. The cubic root of 102143332 is about 467.4516247237.

Adding to 102143332 its reverse (233341201), we get a palindrome (335484533).

The spelling of 102143332 in words is "one hundred two million, one hundred forty-three thousand, three hundred thirty-two".