2540146 has 8 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1088628.

The previous prime is 2540141. The next prime is 2540173. The reversal of 2540146 is 6410452.

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

It is not an unprimeable number, because it can be changed into a prime (2540141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90706 + ... + 90733.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

2^2540146 is an apocalyptic number.

2540146 is a deficient number, since it is larger than the sum of its proper divisors (1814414).

2540146 is a wasteful number, since it uses less digits than its factorization.

2540146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181448.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2540146 is about 1593.7835486665. The cubic root of 2540146 is about 136.4435131481.

Adding to 2540146 its reverse (6410452), we get a palindrome (8950598).

The spelling of 2540146 in words is "two million, five hundred forty thousand, one hundred forty-six".