142403 has 2 divisors, whose sum is σ = 142404. Its totient is φ = 142402.

The previous prime is 142391. The next prime is 142421. The reversal of 142403 is 304241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142403 - 2¹⁴ = 126019 is a prime.

It is a super-2 number, since 2×142403² = 40557228818, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p₁₃₂₁₇ and since 142403 and 13217 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142403.

It is not a weakly prime, because it can be changed into another prime (142433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201 + 71202.

It is an arithmetic number, because the mean of its divisors is an integer number (71202).

2¹⁴²⁴⁰³ is an apocalyptic number.

142403 is a deficient number, since it is larger than the sum of its proper divisors (1).

142403 is an equidigital number, since it uses as much as digits as its factorization.

142403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 142403 is about 377.3632202534. The cubic root of 142403 is about 52.2203421351.

Adding to 142403 its reverse (304241), we get a palindrome (446644).

It can be divided in two parts, 142 and 403, that added together give a palindrome (545).

The spelling of 142403 in words is "one hundred forty-two thousand, four hundred three", and thus it is an iban number.