2645342 has 8 divisors (see below), whose sum is σ = 4534896. Its totient is φ = 1133712.

The previous prime is 2645341. The next prime is 2645359. The reversal of 2645342 is 2435462.

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 2⁷ + 6 + 4⁴ + 5 + 3¹³ + 4¹⁰ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645341) 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, 94463 + ... + 94490.

It is an arithmetic number, because the mean of its divisors is an integer number (566862).

2^2645342 is an apocalyptic number.

2645342 is a deficient number, since it is larger than the sum of its proper divisors (1889554).

2645342 is a wasteful number, since it uses less digits than its factorization.

2645342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188962.

The product of its digits is 5760, while the sum is 26.

The square root of 2645342 is about 1626.4507370345. The cubic root of 2645342 is about 138.3016227051.

The spelling of 2645342 in words is "two million, six hundred forty-five thousand, three hundred forty-two".