3145743 has 16 divisors (see below), whose sum is σ = 4688640. Its totient is φ = 2084472.

The previous prime is 3145741. The next prime is 3145771. The reversal of 3145743 is 3475413.

It is not a de Polignac number, because 3145743 - 2¹ = 3145741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6880 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (293040).

Almost surely, 2^3145743 is an apocalyptic number.

3145743 is a deficient number, since it is larger than the sum of its proper divisors (1542897).

3145743 is a wasteful number, since it uses less digits than its factorization.

3145743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 709 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 3145743 is about 1773.6242555852. The cubic root of 3145743 is about 146.5236559392.

The spelling of 3145743 in words is "three million, one hundred forty-five thousand, seven hundred forty-three".