3145444 has 24 divisors (see below), whose sum is σ = 5774328. Its totient is φ = 1497600.

The previous prime is 3145399. The next prime is 3145447. The reversal of 3145444 is 4445413.

It can be written as a sum of positive squares in 4 ways, for example, as 2439844 + 705600 = 1562^2 + 840^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3145447) 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, 7644 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (240597).

Almost surely, 2^3145444 is an apocalyptic number.

It is an amenable number.

3145444 is a deficient number, since it is larger than the sum of its proper divisors (2628884).

3145444 is a wasteful number, since it uses less digits than its factorization.

3145444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 3145444 is about 1773.5399628991. The cubic root of 3145444 is about 146.5190134788.

The spelling of 3145444 in words is "three million, one hundred forty-five thousand, four hundred forty-four".