3145258 has 4 divisors (see below), whose sum is σ = 4717890. Its totient is φ = 1572628.

The previous prime is 3145249. The next prime is 3145283. The reversal of 3145258 is 8525413.

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., 2812329 + 332929 = 1677^2 + 577^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786313 + ... + 786316.

Almost surely, 2^3145258 is an apocalyptic number.

3145258 is a deficient number, since it is larger than the sum of its proper divisors (1572632).

3145258 is a wasteful number, since it uses less digits than its factorization.

3145258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572631.

The product of its digits is 4800, while the sum is 28.

The square root of 3145258 is about 1773.4875246249. The cubic root of 3145258 is about 146.5161253785.

It can be divided in two parts, 3145 and 258, that added together give a triangular number (3403 = T₈₂).

The spelling of 3145258 in words is "three million, one hundred forty-five thousand, two hundred fifty-eight".