4149145 has 32 divisors (see below), whose sum is σ = 6693120. Its totient is φ = 2384640.

The previous prime is 4149137. The next prime is 4149151. The reversal of 4149145 is 5419414.

It is not a de Polignac number, because 4149145 - 2³ = 4149137 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4591 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (209160).

Almost surely, 2^4149145 is an apocalyptic number.

It is an amenable number.

4149145 is a deficient number, since it is larger than the sum of its proper divisors (2543975).

4149145 is a wasteful number, since it uses less digits than its factorization.

4149145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 2880, while the sum is 28.

The square root of 4149145 is about 2036.9450164401. The cubic root of 4149145 is about 160.6890207433.

It can be divided in two parts, 414 and 9145, that added together give a palindrome (9559).

The spelling of 4149145 in words is "four million, one hundred forty-nine thousand, one hundred forty-five".