102444625 has 16 divisors (see below), whose sum is σ = 128134656. Its totient is φ = 81774000.

The previous prime is 102444613. The next prime is 102444653. The reversal of 102444625 is 526444201.

It is not a de Polignac number, because 102444625 - 2¹¹ = 102442577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102444593 and 102444602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102880 + ... + 103870.

It is an arithmetic number, because the mean of its divisors is an integer number (8008416).

Almost surely, 2^102444625 is an apocalyptic number.

It is an amenable number.

102444625 is a deficient number, since it is larger than the sum of its proper divisors (25690031).

102444625 is an frugal number, since it uses more digits than its factorization.

102444625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833 (or 1823 counting only the distinct ones).

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

The square root of 102444625 is about 10121.4932198762. The cubic root of 102444625 is about 467.9107888128.

Adding to 102444625 its reverse (526444201), we get a palindrome (628888826).

The spelling of 102444625 in words is "one hundred two million, four hundred forty-four thousand, six hundred twenty-five".