102445002 has 24 divisors (see below), whose sum is σ = 242143200. Its totient is φ = 31043880.

The previous prime is 102444997. The next prime is 102445027. The reversal of 102445002 is 200544201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258502 + ... + 258897.

It is an arithmetic number, because the mean of its divisors is an integer number (10089300).

Almost surely, 2^102445002 is an apocalyptic number.

102445002 is an abundant number, since it is smaller than the sum of its proper divisors (139698198).

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

102445002 is a wasteful number, since it uses less digits than its factorization.

102445002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517418 (or 517415 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 102445002 is about 10121.5118435933. The cubic root of 102445002 is about 467.9113627884.

Adding to 102445002 its reverse (200544201), we get a palindrome (302989203).

The spelling of 102445002 in words is "one hundred two million, four hundred forty-five thousand, two".