4145233 has 4 divisors (see below), whose sum is σ = 4177008. Its totient is φ = 4113460.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145233 is 3325414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3325414 = 2 ⋅1662707.

It is a cyclic number.

It is not a de Polignac number, because 4145233 - 2⁵ = 4145201 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15691 + ... + 15952.

It is an arithmetic number, because the mean of its divisors is an integer number (1044252).

Almost surely, 2^4145233 is an apocalyptic number.

It is an amenable number.

4145233 is a deficient number, since it is larger than the sum of its proper divisors (31775).

4145233 is a wasteful number, since it uses less digits than its factorization.

4145233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31774.

The product of its digits is 1440, while the sum is 22.

The square root of 4145233 is about 2035.9845284284. The cubic root of 4145233 is about 160.6385032580.

The spelling of 4145233 in words is "four million, one hundred forty-five thousand, two hundred thirty-three".