4211145 has 12 divisors (see below), whose sum is σ = 7299396. Its totient is φ = 2245920.

The previous prime is 4211143. The next prime is 4211147. The reversal of 4211145 is 5411124.

It is an interprime number because it is at equal distance from previous prime (4211143) and next prime (4211147).

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 2653641 = 1248^2 + 1629^2 .

It is not a de Polignac number, because 4211145 - 2¹ = 4211143 is a prime.

It is a super-2 number, since 2×4211145² = 35467484422050, which contains 22 as substring.

4211145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4211143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46746 + ... + 46835.

It is an arithmetic number, because the mean of its divisors is an integer number (608283).

Almost surely, 2^4211145 is an apocalyptic number.

4211145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4211145 is a deficient number, since it is larger than the sum of its proper divisors (3088251).

4211145 is a wasteful number, since it uses less digits than its factorization.

4211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93592 (or 93589 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 4211145 is about 2052.1074533269. The cubic root of 4211145 is about 161.4854501616.

Adding to 4211145 its reverse (5411124), we get a palindrome (9622269).

It can be divided in two parts, 4211 and 145, that added together give a square (4356 = 66²).

The spelling of 4211145 in words is "four million, two hundred eleven thousand, one hundred forty-five".