2667145 has 16 divisors (see below), whose sum is σ = 3543120. Its totient is φ = 1914624.

The previous prime is 2667131. The next prime is 2667167. The reversal of 2667145 is 5417662.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 344569 + 2322576 = 587^2 + 1524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667145 - 2⁹ = 2666633 is a prime.

It is a super-2 number, since 2×2667145² = 14227324902050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (221445).

2^2667145 is an apocalyptic number.

It is an amenable number.

2667145 is a deficient number, since it is larger than the sum of its proper divisors (875975).

2667145 is a wasteful number, since it uses less digits than its factorization.

2667145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 10080, while the sum is 31.

The square root of 2667145 is about 1633.1396143625. The cubic root of 2667145 is about 138.6805458197.

The spelling of 2667145 in words is "two million, six hundred sixty-seven thousand, one hundred forty-five".