3145042 has 4 divisors (see below), whose sum is σ = 4717566. Its totient is φ = 1572520.

The previous prime is 3145027. The next prime is 3145049. The reversal of 3145042 is 2405413.

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., 2653641 + 491401 = 1629^2 + 701^2 .

It is not an unprimeable number, because it can be changed into a prime (3145049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786259 + ... + 786262.

Almost surely, 2^3145042 is an apocalyptic number.

3145042 is a deficient number, since it is larger than the sum of its proper divisors (1572524).

3145042 is a wasteful number, since it uses less digits than its factorization.

3145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572523.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3145042 is about 1773.4266266186. The cubic root of 3145042 is about 146.5127713126.

It can be divided in two parts, 314 and 5042, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 3145042 in words is "three million, one hundred forty-five thousand, forty-two".