103143415 has 4 divisors (see below), whose sum is σ = 123772104. Its totient is φ = 82514728.

The previous prime is 103143407. The next prime is 103143451. The reversal of 103143415 is 514341301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514341301 = 7433 ⋅69197.

It is a cyclic number.

It is not a de Polignac number, because 103143415 - 2³ = 103143407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10314337 + ... + 10314346.

It is an arithmetic number, because the mean of its divisors is an integer number (30943026).

Almost surely, 2^103143415 is an apocalyptic number.

103143415 is a deficient number, since it is larger than the sum of its proper divisors (20628689).

103143415 is an equidigital number, since it uses as much as digits as its factorization.

103143415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628688.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 103143415 is about 10155.9546572442. The cubic root of 103143415 is about 468.9722752647.

Adding to 103143415 its reverse (514341301), we get a palindrome (617484716).

The spelling of 103143415 in words is "one hundred three million, one hundred forty-three thousand, four hundred fifteen".