102632645 has 16 divisors (see below), whose sum is σ = 126064512. Its totient is φ = 80184000.

The previous prime is 102632641. The next prime is 102632657. The reversal of 102632645 is 546236201.

It is not a de Polignac number, because 102632645 - 2² = 102632641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102632641) 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, 65744 + ... + 67286.

It is an arithmetic number, because the mean of its divisors is an integer number (7879032).

Almost surely, 2^102632645 is an apocalyptic number.

It is an amenable number.

102632645 is a deficient number, since it is larger than the sum of its proper divisors (23431867).

102632645 is a wasteful number, since it uses less digits than its factorization.

102632645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 102632645 is about 10130.7771172798. Note that the first 3 decimals coincide. The cubic root of 102632645 is about 468.1968712344.

Adding to 102632645 its reverse (546236201), we get a palindrome (648868846).

The spelling of 102632645 in words is "one hundred two million, six hundred thirty-two thousand, six hundred forty-five".