2255149 has 4 divisors (see below), whose sum is σ = 2428636. Its totient is φ = 2081664.

The previous prime is 2255147. The next prime is 2255159. The reversal of 2255149 is 9415522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 2160900 = 307^2 + 1470^2 .

It is not a de Polignac number, because 2255149 - 2¹ = 2255147 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 86724 + ... + 86749.

It is an arithmetic number, because the mean of its divisors is an integer number (607159).

2^2255149 is an apocalyptic number.

It is an amenable number.

2255149 is a deficient number, since it is larger than the sum of its proper divisors (173487).

2255149 is a wasteful number, since it uses less digits than its factorization.

2255149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173486.

The product of its digits is 3600, while the sum is 28.

The square root of 2255149 is about 1501.7153525219. The cubic root of 2255149 is about 131.1369505766.

The spelling of 2255149 in words is "two million, two hundred fifty-five thousand, one hundred forty-nine".