2440145 has 8 divisors (see below), whose sum is σ = 2950080. Its totient is φ = 1937520.

The previous prime is 2440127. The next prime is 2440153. The reversal of 2440145 is 5410442.

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

It is not a de Polignac number, because 2440145 - 2⁸ = 2439889 is a prime.

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, 1061 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

2^2440145 is an apocalyptic number.

It is an amenable number.

2440145 is a deficient number, since it is larger than the sum of its proper divisors (509935).

2440145 is a wasteful number, since it uses less digits than its factorization.

2440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2440145 is about 1562.0963478608. The cubic root of 2440145 is about 134.6289766705.

Adding to 2440145 its reverse (5410442), we get a palindrome (7850587).

The spelling of 2440145 in words is "two million, four hundred forty thousand, one hundred forty-five".