4145503 has 2 divisors, whose sum is σ = 4145504. Its totient is φ = 4145502.

The previous prime is 4145473. The next prime is 4145509. The reversal of 4145503 is 3055414.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4145503 - 2¹³ = 4137311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072751 + 2072752.

It is an arithmetic number, because the mean of its divisors is an integer number (2072752).

Almost surely, 2^4145503 is an apocalyptic number.

4145503 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145503 is an equidigital number, since it uses as much as digits as its factorization.

4145503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4145503 is about 2036.0508343359. The cubic root of 4145503 is about 160.6419909151.

The spelling of 4145503 in words is "four million, one hundred forty-five thousand, five hundred three".