2998145 has 4 divisors (see below), whose sum is σ = 3597780. Its totient is φ = 2398512.

The previous prime is 2998141. The next prime is 2998153. The reversal of 2998145 is 5418992.

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 552049 + 2446096 = 743^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2998145 - 2² = 2998141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2998099 and 2998108.

It is not an unprimeable number, because it can be changed into a prime (2998141) 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, 299810 + ... + 299819.

It is an arithmetic number, because the mean of its divisors is an integer number (899445).

2^2998145 is an apocalyptic number.

It is an amenable number.

2998145 is a deficient number, since it is larger than the sum of its proper divisors (599635).

2998145 is an equidigital number, since it uses as much as digits as its factorization.

2998145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599634.

The product of its digits is 25920, while the sum is 38.

The square root of 2998145 is about 1731.5152323904. The cubic root of 2998145 is about 144.1952245356.

The spelling of 2998145 in words is "two million, nine hundred ninety-eight thousand, one hundred forty-five".