2045558 has 8 divisors (see below), whose sum is σ = 3076920. Its totient is φ = 1019920.

The previous prime is 2045557. The next prime is 2045567. The reversal of 2045558 is 8555402.

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

It is a super-3 number, since 3×2045558³ = 25677731235725643336, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045557) 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, 383 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (384615).

2^2045558 is an apocalyptic number.

2045558 is a deficient number, since it is larger than the sum of its proper divisors (1031362).

2045558 is a wasteful number, since it uses less digits than its factorization.

2045558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2045558 is about 1430.2300514253. The cubic root of 2045558 is about 126.9415896897.

The spelling of 2045558 in words is "two million, forty-five thousand, five hundred fifty-eight".