102300445 has 16 divisors (see below), whose sum is σ = 132415920. Its totient is φ = 75423744.

The previous prime is 102300439. The next prime is 102300461. The reversal of 102300445 is 544003201.

It can be written as a sum of positive squares in 8 ways, for example, as 61685316 + 40615129 = 7854^2 + 6373^2 .

It is a cyclic number.

It is not a de Polignac number, because 102300445 - 2⁵ = 102300413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71901 + ... + 73309.

It is an arithmetic number, because the mean of its divisors is an integer number (8275995).

Almost surely, 2^102300445 is an apocalyptic number.

It is an amenable number.

102300445 is a deficient number, since it is larger than the sum of its proper divisors (30115475).

102300445 is a wasteful number, since it uses less digits than its factorization.

102300445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102300445 is about 10114.3682452242. The cubic root of 102300445 is about 467.6911740648.

Adding to 102300445 its reverse (544003201), we get a palindrome (646303646).

The spelling of 102300445 in words is "one hundred two million, three hundred thousand, four hundred forty-five".