102445104 has 20 divisors (see below), whose sum is σ = 264649976. Its totient is φ = 34148352.

The previous prime is 102445103. The next prime is 102445121. The reversal of 102445104 is 401544201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102445103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067089 + ... + 1067184.

Almost surely, 2^102445104 is an apocalyptic number.

It is an amenable number.

102445104 is an abundant number, since it is smaller than the sum of its proper divisors (162204872).

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

102445104 is a wasteful number, since it uses less digits than its factorization.

102445104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134284 (or 2134278 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 102445104 is about 10121.5168823650. The cubic root of 102445104 is about 467.9115180813.

Adding to 102445104 its reverse (401544201), we get a palindrome (503989305).

The spelling of 102445104 in words is "one hundred two million, four hundred forty-five thousand, one hundred four".