2045151 has 12 divisors (see below), whose sum is σ = 3128112. Its totient is φ = 1283136.

The previous prime is 2045129. The next prime is 2045177. The reversal of 2045151 is 1515402.

It is not a de Polignac number, because 2045151 - 2⁷ = 2045023 is a prime.

It is a super-2 number, since 2×2045151² = 8365285225602, which contains 22 as substring.

It is an Ulam number.

2045151 is a modest number, since divided by 5151 gives 204 as remainder.

2045151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6531 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (260676).

2^2045151 is an apocalyptic number.

2045151 is a deficient number, since it is larger than the sum of its proper divisors (1082961).

2045151 is a wasteful number, since it uses less digits than its factorization.

2045151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13390 (or 13387 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2045151 is about 1430.0877595448. The cubic root of 2045151 is about 126.9331700386.

It can be divided in two parts, 20451 and 51, that added together give a palindrome (20502).

The spelling of 2045151 in words is "two million, forty-five thousand, one hundred fifty-one".