3145503 has 8 divisors (see below), whose sum is σ = 4376448. Its totient is φ = 2005784.

The previous prime is 3145489. The next prime is 3145511. The reversal of 3145503 is 3055413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3145503 - 2⁴ = 3145487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22725 + ... + 22862.

It is an arithmetic number, because the mean of its divisors is an integer number (547056).

Almost surely, 2^3145503 is an apocalyptic number.

3145503 is a deficient number, since it is larger than the sum of its proper divisors (1230945).

3145503 is a wasteful number, since it uses less digits than its factorization.

3145503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45613.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3145503 is about 1773.5565962213. The cubic root of 3145503 is about 146.5199295729.

The spelling of 3145503 in words is "three million, one hundred forty-five thousand, five hundred three".