103143425 has 36 divisors (see below), whose sum is σ = 160698048. Its totient is φ = 64284000.

The previous prime is 103143407. The next prime is 103143451. The reversal of 103143425 is 524341301.

It is not a de Polignac number, because 103143425 - 2⁶ = 103143361 is a prime.

It is a super-2 number, since 2×103143425² = 21277132241461250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103143425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18740 + ... + 23610.

Almost surely, 2^103143425 is an apocalyptic number.

It is an amenable number.

103143425 is a deficient number, since it is larger than the sum of its proper divisors (57554623).

103143425 is a wasteful number, since it uses less digits than its factorization.

103143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910 (or 4894 counting only the distinct ones).

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

The square root of 103143425 is about 10155.9551495662. The cubic root of 103143425 is about 468.9722904207.

Adding to 103143425 its reverse (524341301), we get a palindrome (627484726).

The spelling of 103143425 in words is "one hundred three million, one hundred forty-three thousand, four hundred twenty-five".