102245044 has 24 divisors (see below), whose sum is σ = 197553888. Its totient is φ = 45913440.

The previous prime is 102245029. The next prime is 102245057. The reversal of 102245044 is 440542201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10347 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (8231412).

Almost surely, 2^102245044 is an apocalyptic number.

It is an amenable number.

102245044 is a deficient number, since it is larger than the sum of its proper divisors (95308844).

102245044 is a wasteful number, since it uses less digits than its factorization.

102245044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28095 (or 28093 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 102245044 is about 10111.6291466806. The cubic root of 102245044 is about 467.6067324724.

Adding to 102245044 its reverse (440542201), we get a palindrome (542787245).

The spelling of 102245044 in words is "one hundred two million, two hundred forty-five thousand, forty-four".