103445425 has 12 divisors (see below), whose sum is σ = 135818316. Its totient is φ = 77888000.

The previous prime is 103445417. The next prime is 103445429. The reversal of 103445425 is 524544301.

It can be written as a sum of positive squares in 6 ways, for example, as 36864 + 103408561 = 192^2 + 10169^2 .

It is not a de Polignac number, because 103445425 - 2³ = 103445417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103445393 and 103445402.

It is not an unprimeable number, because it can be changed into a prime (103445429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121276 + ... + 122125.

It is an arithmetic number, because the mean of its divisors is an integer number (11318193).

Almost surely, 2^103445425 is an apocalyptic number.

It is an amenable number.

103445425 is a deficient number, since it is larger than the sum of its proper divisors (32372891).

103445425 is a wasteful number, since it uses less digits than its factorization.

103445425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243428 (or 243423 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 103445425 is about 10170.8124060962. The cubic root of 103445425 is about 469.4295553972.

Adding to 103445425 its reverse (524544301), we get a palindrome (627989726).

The spelling of 103445425 in words is "one hundred three million, four hundred forty-five thousand, four hundred twenty-five".