2445290 has 8 divisors (see below), whose sum is σ = 4401540. Its totient is φ = 978112.

The previous prime is 2445283. The next prime is 2445301. The reversal of 2445290 is 925442.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 339889 = 1451^2 + 583^2 .

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

It is an unprimeable number.

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, 122255 + ... + 122274.

2^2445290 is an apocalyptic number.

2445290 is a deficient number, since it is larger than the sum of its proper divisors (1956250).

2445290 is a wasteful number, since it uses less digits than its factorization.

2445290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244536.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2445290 is about 1563.7423061361. The cubic root of 2445290 is about 134.7235311375.

It can be divided in two parts, 24452 and 90, that added together give a palindrome (24542).

The spelling of 2445290 in words is "two million, four hundred forty-five thousand, two hundred ninety".