2045239 has 8 divisors (see below), whose sum is σ = 2353568. Its totient is φ = 1740960.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045239 is 9325402.

It is a happy number.

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 2045239 - 2¹¹ = 2043191 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 0 + 4⁴ + 5⁹ + 2¹⁵ + 3¹⁰ + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045339) 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, 169 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (294196).

2^2045239 is an apocalyptic number.

2045239 is a deficient number, since it is larger than the sum of its proper divisors (308329).

2045239 is a wasteful number, since it uses less digits than its factorization.

2045239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2045239 is about 1430.1185265565. The cubic root of 2045239 is about 126.9349905984.

The spelling of 2045239 in words is "two million, forty-five thousand, two hundred thirty-nine".