16145003 has 12 divisors (see below), whose sum is σ = 19476720. Its totient is φ = 13108176.

The previous prime is 16144991. The next prime is 16145027. The reversal of 16145003 is 30054161.

It is not a de Polignac number, because 16145003 - 2¹⁰ = 16143979 is a prime.

It is a super-2 number, since 2×16145003² = 521322243740018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16145033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (1623060).

Almost surely, 2^16145003 is an apocalyptic number.

16145003 is a deficient number, since it is larger than the sum of its proper divisors (3331717).

16145003 is an equidigital number, since it uses as much as digits as its factorization.

16145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16145003 is about 4018.0844938851. The cubic root of 16145003 is about 252.7431399769.

Adding to 16145003 its reverse (30054161), we get a palindrome (46199164).

The spelling of 16145003 in words is "sixteen million, one hundred forty-five thousand, three".