102245004 has 120 divisors (see below), whose sum is σ = 298211760. Its totient is φ = 30357504.

The previous prime is 102244993. The next prime is 102245009. The reversal of 102245004 is 400542201.

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

It is not an unprimeable number, because it can be changed into a prime (102245009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104164 + ... + 105140.

It is an arithmetic number, because the mean of its divisors is an integer number (2485098).

Almost surely, 2^102245004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102245004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149105880).

102245004 is an abundant number, since it is smaller than the sum of its proper divisors (195966756).

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

102245004 is a wasteful number, since it uses less digits than its factorization.

102245004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1018 counting only the distinct ones).

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

The square root of 102245004 is about 10111.6271687597. The cubic root of 102245004 is about 467.6066714938.

Adding to 102245004 its reverse (400542201), we get a palindrome (502787205).

The spelling of 102245004 in words is "one hundred two million, two hundred forty-five thousand, four".