3145294 has 4 divisors (see below), whose sum is σ = 4717944. Its totient is φ = 1572646.

The previous prime is 3145283. The next prime is 3145297. The reversal of 3145294 is 4925413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4925413 = 79 ⋅62347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786322 + ... + 786325.

It is an arithmetic number, because the mean of its divisors is an integer number (1179486).

Almost surely, 2^3145294 is an apocalyptic number.

3145294 is a deficient number, since it is larger than the sum of its proper divisors (1572650).

3145294 is a wasteful number, since it uses less digits than its factorization.

3145294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572649.

The product of its digits is 4320, while the sum is 28.

The square root of 3145294 is about 1773.4976740893. The cubic root of 3145294 is about 146.5166843745.

The spelling of 3145294 in words is "three million, one hundred forty-five thousand, two hundred ninety-four".