102445325 has 6 divisors (see below), whose sum is σ = 127032234. Its totient is φ = 81956240.

The previous prime is 102445309. The next prime is 102445339. The reversal of 102445325 is 523544201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9554281 + 92891044 = 3091^2 + 9638^2 .

It is not a de Polignac number, because 102445325 - 2⁴ = 102445309 is a prime.

It is a super-2 number, since 2×102445325² = 20990089228711250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102445294 and 102445303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048882 + ... + 2048931.

It is an arithmetic number, because the mean of its divisors is an integer number (21172039).

Almost surely, 2^102445325 is an apocalyptic number.

It is an amenable number.

102445325 is a deficient number, since it is larger than the sum of its proper divisors (24586909).

102445325 is an equidigital number, since it uses as much as digits as its factorization.

102445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097823 (or 4097818 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 102445325 is about 10121.5277996951. The cubic root of 102445325 is about 467.9118545489.

Adding to 102445325 its reverse (523544201), we get a palindrome (625989526).

The spelling of 102445325 in words is "one hundred two million, four hundred forty-five thousand, three hundred twenty-five".