2405145 has 8 divisors (see below), whose sum is σ = 3848256. Its totient is φ = 1282736.

The previous prime is 2405141. The next prime is 2405147. The reversal of 2405145 is 5415042.

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 2405145 - 2² = 2405141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2405141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80157 + ... + 80186.

It is an arithmetic number, because the mean of its divisors is an integer number (481032).

2^2405145 is an apocalyptic number.

It is an amenable number.

2405145 is a deficient number, since it is larger than the sum of its proper divisors (1443111).

2405145 is a wasteful number, since it uses less digits than its factorization.

2405145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160351.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2405145 is about 1550.8529910988. The cubic root of 2405145 is about 133.9821948571.

The spelling of 2405145 in words is "two million, four hundred five thousand, one hundred forty-five".