142103403 has 20 divisors (see below), whose sum is σ = 228608688. Its totient is φ = 87447600.

The previous prime is 142103359. The next prime is 142103443. The reversal of 142103403 is 304301241.

142103403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142103403 - 2¹⁰ = 142102379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142103443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66423 + ... + 68528.

Almost surely, 2^142103403 is an apocalyptic number.

142103403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142103403 is a deficient number, since it is larger than the sum of its proper divisors (86505285).

142103403 is a wasteful number, since it uses less digits than its factorization.

142103403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134976 (or 134967 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142103403 is about 11920.7131917516. The cubic root of 142103403 is about 521.8369486784.

Adding to 142103403 its reverse (304301241), we get a palindrome (446404644).

The spelling of 142103403 in words is "one hundred forty-two million, one hundred three thousand, four hundred three".