2255146 has 4 divisors (see below), whose sum is σ = 3382722. Its totient is φ = 1127572.

The previous prime is 2255131. The next prime is 2255147. The reversal of 2255146 is 6415522.

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., 2217121 + 38025 = 1489^2 + 195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2255146.

It is not an unprimeable number, because it can be changed into a prime (2255147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563785 + ... + 563788.

2^2255146 is an apocalyptic number.

2255146 is a deficient number, since it is larger than the sum of its proper divisors (1127576).

2255146 is a wasteful number, since it uses less digits than its factorization.

2255146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127575.

The product of its digits is 2400, while the sum is 25.

The square root of 2255146 is about 1501.7143536638. The cubic root of 2255146 is about 131.1368924266.

It can be divided in two parts, 2255 and 146, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2255146 in words is "two million, two hundred fifty-five thousand, one hundred forty-six".