103445225 has 24 divisors (see below), whose sum is σ = 140116032. Its totient is φ = 75297600.

The previous prime is 103445219. The next prime is 103445239. The reversal of 103445225 is 522544301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-103445225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103445194 and 103445203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20834 + ... + 25316.

It is an arithmetic number, because the mean of its divisors is an integer number (5838168).

Almost surely, 2^103445225 is an apocalyptic number.

It is an amenable number.

103445225 is a deficient number, since it is larger than the sum of its proper divisors (36670807).

103445225 is a wasteful number, since it uses less digits than its factorization.

103445225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4572 counting only the distinct ones).

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

The square root of 103445225 is about 10170.8025740351. The cubic root of 103445225 is about 469.4292528674.

Adding to 103445225 its reverse (522544301), we get a palindrome (625989526).

The spelling of 103445225 in words is "one hundred three million, four hundred forty-five thousand, two hundred twenty-five".