102265444 has 12 divisors (see below), whose sum is σ = 179046000. Its totient is φ = 51109448.

The previous prime is 102265441. The next prime is 102265459. The reversal of 102265444 is 444562201.

It is not an unprimeable number, because it can be changed into a prime (102265441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7407 + ... + 16105.

It is an arithmetic number, because the mean of its divisors is an integer number (14920500).

Almost surely, 2^102265444 is an apocalyptic number.

It is an amenable number.

102265444 is a deficient number, since it is larger than the sum of its proper divisors (76780556).

102265444 is a wasteful number, since it uses less digits than its factorization.

102265444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 102265444 is about 10112.6378358962. The cubic root of 102265444 is about 467.6378294743.

It can be divided in two parts, 1022 and 65444, that added together give a palindrome (66466).

The spelling of 102265444 in words is "one hundred two million, two hundred sixty-five thousand, four hundred forty-four".