4149045 has 24 divisors (see below), whose sum is σ = 7254936. Its totient is φ = 2193408.

The previous prime is 4149029. The next prime is 4149053. The reversal of 4149045 is 5409414.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 3837681 = 558^2 + 1959^2 .

It is not a de Polignac number, because 4149045 - 2⁴ = 4149029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5829 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (302289).

Almost surely, 2^4149045 is an apocalyptic number.

4149045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4149045 is a deficient number, since it is larger than the sum of its proper divisors (3105891).

4149045 is a wasteful number, since it uses less digits than its factorization.

4149045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 818 counting only the distinct ones).

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

The square root of 4149045 is about 2036.9204697288. The cubic root of 4149045 is about 160.6877297921.

The spelling of 4149045 in words is "four million, one hundred forty-nine thousand, forty-five".