2445155 has 8 divisors (see below), whose sum is σ = 2989872. Its totient is φ = 1919008.

The previous prime is 2445139. The next prime is 2445173. The reversal of 2445155 is 5515442.

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 2445155 - 2⁴ = 2445139 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, 4349 + ... + 4878.

It is an arithmetic number, because the mean of its divisors is an integer number (373734).

2^2445155 is an apocalyptic number.

2445155 is a deficient number, since it is larger than the sum of its proper divisors (544717).

2445155 is an equidigital number, since it uses as much as digits as its factorization.

2445155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285.

The product of its digits is 4000, while the sum is 26.

The square root of 2445155 is about 1563.6991398604. The cubic root of 2445155 is about 134.7210518118.

The spelling of 2445155 in words is "two million, four hundred forty-five thousand, one hundred fifty-five".