146206403 has 4 divisors (see below), whose sum is σ = 167093040. Its totient is φ = 125319768.

The previous prime is 146206393. The next prime is 146206421. The reversal of 146206403 is 304602641.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 146206403 - 2¹⁶ = 146140867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146206453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443308 + ... + 10443321.

It is an arithmetic number, because the mean of its divisors is an integer number (41773260).

Almost surely, 2^146206403 is an apocalyptic number.

146206403 is a deficient number, since it is larger than the sum of its proper divisors (20886637).

146206403 is an equidigital number, since it uses as much as digits as its factorization.

146206403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20886636.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 146206403 is about 12091.5839739879. The cubic root of 146206403 is about 526.8117637304.

The spelling of 146206403 in words is "one hundred forty-six million, two hundred six thousand, four hundred three".