4045149 has 24 divisors (see below), whose sum is σ = 6095232. Its totient is φ = 2583360.

The previous prime is 4045147. The next prime is 4045163. The reversal of 4045149 is 9415404.

It is not a de Polignac number, because 4045149 - 2¹ = 4045147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30814 + ... + 30944.

It is an arithmetic number, because the mean of its divisors is an integer number (253968).

Almost surely, 2^4045149 is an apocalyptic number.

It is an amenable number.

4045149 is a deficient number, since it is larger than the sum of its proper divisors (2050083).

4045149 is a wasteful number, since it uses less digits than its factorization.

4045149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4045149 is about 2011.2555779910. The cubic root of 4045149 is about 159.3351185101.

The spelling of 4045149 in words is "four million, forty-five thousand, one hundred forty-nine".