102145652 has 24 divisors (see below), whose sum is σ = 204637440. Its totient is φ = 43702560.

The previous prime is 102145633. The next prime is 102145661. The reversal of 102145652 is 256541201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15749 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (8526560).

Almost surely, 2^102145652 is an apocalyptic number.

It is an amenable number.

102145652 is an abundant number, since it is smaller than the sum of its proper divisors (102491788).

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

102145652 is a wasteful number, since it uses less digits than its factorization.

102145652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 102145652 is about 10106.7132144926. The cubic root of 102145652 is about 467.4551638013.

Adding to 102145652 its reverse (256541201), we get a palindrome (358686853).

The spelling of 102145652 in words is "one hundred two million, one hundred forty-five thousand, six hundred fifty-two".