3145426 has 4 divisors (see below), whose sum is σ = 4718142. Its totient is φ = 1572712.

The previous prime is 3145399. The next prime is 3145447. The reversal of 3145426 is 6245413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 1442401 = 1305^2 + 1201^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145426.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786355 + ... + 786358.

Almost surely, 2^3145426 is an apocalyptic number.

3145426 is a deficient number, since it is larger than the sum of its proper divisors (1572716).

3145426 is a wasteful number, since it uses less digits than its factorization.

3145426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572715.

The product of its digits is 2880, while the sum is 25.

The square root of 3145426 is about 1773.5348882951. The cubic root of 3145426 is about 146.5187339902.

The spelling of 3145426 in words is "three million, one hundred forty-five thousand, four hundred twenty-six".