103144025 has 12 divisors (see below), whose sum is σ = 128567292. Its totient is φ = 82083840.

The previous prime is 103144009. The next prime is 103144031. The reversal of 103144025 is 520441301.

It can be written as a sum of positive squares in 6 ways, for example, as 27175369 + 75968656 = 5213^2 + 8716^2 .

It is not a de Polignac number, because 103144025 - 2⁴ = 103144009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103143988 and 103144006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5864 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (10713941).

Almost surely, 2^103144025 is an apocalyptic number.

It is an amenable number.

103144025 is a deficient number, since it is larger than the sum of its proper divisors (25423267).

103144025 is a wasteful number, since it uses less digits than its factorization.

103144025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21580 (or 21575 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 103144025 is about 10155.9846888423. The cubic root of 103144025 is about 468.9731997785.

Adding to 103144025 its reverse (520441301), we get a palindrome (623585326).

The spelling of 103144025 in words is "one hundred three million, one hundred forty-four thousand, twenty-five".