4229145 has 16 divisors (see below), whose sum is σ = 7518720. Its totient is φ = 2255472.

The previous prime is 4229143. The next prime is 4229167. The reversal of 4229145 is 5419224.

It is not a de Polignac number, because 4229145 - 2¹ = 4229143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4229143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15529 + ... + 15798.

It is an arithmetic number, because the mean of its divisors is an integer number (469920).

Almost surely, 2^4229145 is an apocalyptic number.

4229145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4229145 is a deficient number, since it is larger than the sum of its proper divisors (3289575).

4229145 is a wasteful number, since it uses less digits than its factorization.

4229145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31341 (or 31335 counting only the distinct ones).

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

The square root of 4229145 is about 2056.4885120029. The cubic root of 4229145 is about 161.7152060765.

The spelling of 4229145 in words is "four million, two hundred twenty-nine thousand, one hundred forty-five".