2916145 has 4 divisors (see below), whose sum is σ = 3499380. Its totient is φ = 2332912.

The previous prime is 2916143. The next prime is 2916149. The reversal of 2916145 is 5416192.

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 519841 + 2396304 = 721^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2916145 - 2¹ = 2916143 is a prime.

It is a super-2 number, since 2×2916145² = 17007803322050, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2916143) 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 3 ways as a sum of consecutive naturals, for example, 291610 + ... + 291619.

It is an arithmetic number, because the mean of its divisors is an integer number (874845).

2^2916145 is an apocalyptic number.

It is an amenable number.

2916145 is a deficient number, since it is larger than the sum of its proper divisors (583235).

2916145 is an equidigital number, since it uses as much as digits as its factorization.

2916145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583234.

The product of its digits is 2160, while the sum is 28.

The square root of 2916145 is about 1707.6723924688. The cubic root of 2916145 is about 142.8684626744.

The spelling of 2916145 in words is "two million, nine hundred sixteen thousand, one hundred forty-five".