3156445 has 16 divisors (see below), whose sum is σ = 3928320. Its totient is φ = 2433600.

The previous prime is 3156443. The next prime is 3156449. The reversal of 3156445 is 5446513.

3156445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3156445 - 2¹ = 3156443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156443) 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 15 ways as a sum of consecutive naturals, for example, 24030 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (245520).

Almost surely, 2^3156445 is an apocalyptic number.

It is an amenable number.

3156445 is a deficient number, since it is larger than the sum of its proper divisors (771875).

3156445 is a wasteful number, since it uses less digits than its factorization.

3156445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its digits is 7200, while the sum is 28.

The square root of 3156445 is about 1776.6386802048. The cubic root of 3156445 is about 146.6896285216.

The spelling of 3156445 in words is "three million, one hundred fifty-six thousand, four hundred forty-five".