2445145 has 8 divisors (see below), whose sum is σ = 3013704. Its totient is φ = 1903104.

The previous prime is 2445139. The next prime is 2445173. The reversal of 2445145 is 5415442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 565504 + 1879641 = 752^2 + 1371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2445145 - 2¹¹ = 2443097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6424 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (376713).

2^2445145 is an apocalyptic number.

It is an amenable number.

2445145 is a deficient number, since it is larger than the sum of its proper divisors (568559).

2445145 is a wasteful number, since it uses less digits than its factorization.

2445145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259.

The product of its digits is 3200, while the sum is 25.

The square root of 2445145 is about 1563.6959423110. The cubic root of 2445145 is about 134.7208681544.

The spelling of 2445145 in words is "two million, four hundred forty-five thousand, one hundred forty-five".