2815149 has 16 divisors (see below), whose sum is σ = 4008960. Its totient is φ = 1757120.

The previous prime is 2815129. The next prime is 2815157. The reversal of 2815149 is 9415182.

It is a happy number.

It is not a de Polignac number, because 2815149 - 2¹⁹ = 2290861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14644 + ... + 14834.

It is an arithmetic number, because the mean of its divisors is an integer number (250560).

2^2815149 is an apocalyptic number.

It is an amenable number.

2815149 is a deficient number, since it is larger than the sum of its proper divisors (1193811).

2815149 is an equidigital number, since it uses as much as digits as its factorization.

2815149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 211 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 2815149 is about 1677.8405764553. The cubic root of 2815149 is about 141.1997069494.

The spelling of 2815149 in words is "two million, eight hundred fifteen thousand, one hundred forty-nine".