146403 has 6 divisors (see below), whose sum is σ = 211484. Its totient is φ = 97596.

The previous prime is 146389. The next prime is 146407. The reversal of 146403 is 304641.

It is not a de Polignac number, because 146403 - 2¹⁷ = 15331 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146403.

It is not an unprimeable number, because it can be changed into a prime (146407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8125 + ... + 8142.

2¹⁴⁶⁴⁰³ is an apocalyptic number.

146403 is a deficient number, since it is larger than the sum of its proper divisors (65081).

146403 is a wasteful number, since it uses less digits than its factorization.

146403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273 (or 16270 counting only the distinct ones).

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

The square root of 146403 is about 382.6264496869. The cubic root of 146403 is about 52.7047784459.

The spelling of 146403 in words is "one hundred forty-six thousand, four hundred three".