102063245 has 4 divisors (see below), whose sum is σ = 122475900. Its totient is φ = 81650592.

The previous prime is 102063217. The next prime is 102063251. The reversal of 102063245 is 542360201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542360201 = 79 ⋅6865319.

It can be written as a sum of positive squares in 2 ways, for example, as 65060356 + 37002889 = 8066^2 + 6083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102063245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102063245.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10206320 + ... + 10206329.

It is an arithmetic number, because the mean of its divisors is an integer number (30618975).

Almost surely, 2^102063245 is an apocalyptic number.

It is an amenable number.

102063245 is a deficient number, since it is larger than the sum of its proper divisors (20412655).

102063245 is an equidigital number, since it uses as much as digits as its factorization.

102063245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412654.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 102063245 is about 10102.6355472223. The cubic root of 102063245 is about 467.3294219781.

The spelling of 102063245 in words is "one hundred two million, sixty-three thousand, two hundred forty-five".