2455642 has 8 divisors (see below), whose sum is σ = 4209696. Its totient is φ = 1052412.

The previous prime is 2455619. The next prime is 2455643. The reversal of 2455642 is 2465542.

2455642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 2⁵ + 4² + 5³ + 5⁷ + 6⁷ + 4⁴ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2455642.

It is not an unprimeable number, because it can be changed into a prime (2455643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87688 + ... + 87715.

It is an arithmetic number, because the mean of its divisors is an integer number (526212).

2^2455642 is an apocalyptic number.

2455642 is a deficient number, since it is larger than the sum of its proper divisors (1754054).

2455642 is a wasteful number, since it uses less digits than its factorization.

2455642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175412.

The product of its digits is 9600, while the sum is 28.

The square root of 2455642 is about 1567.0488186397. The cubic root of 2455642 is about 134.9133783596.

The spelling of 2455642 in words is "two million, four hundred fifty-five thousand, six hundred forty-two".