102344645 has 16 divisors (see below), whose sum is σ = 134507520. Its totient is φ = 74293824.

The previous prime is 102344639. The next prime is 102344647. The reversal of 102344645 is 546443201.

It is a cyclic number.

It is not a de Polignac number, because 102344645 - 2¹² = 102340549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102344647) 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, 9509 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (8406720).

Almost surely, 2^102344645 is an apocalyptic number.

It is an amenable number.

102344645 is a deficient number, since it is larger than the sum of its proper divisors (32162875).

102344645 is a wasteful number, since it uses less digits than its factorization.

102344645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26764.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 102344645 is about 10116.5530196802. The cubic root of 102344645 is about 467.7585213555.

Adding to 102344645 its reverse (546443201), we get a palindrome (648787846).

The spelling of 102344645 in words is "one hundred two million, three hundred forty-four thousand, six hundred forty-five".