2145444333 has 8 divisors (see below), whose sum is σ = 2860807200. Its totient is φ = 1430188848.

The previous prime is 2145444313. The next prime is 2145444349. The reversal of 2145444333 is 3334445412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2145444333 - 2¹⁰ = 2145443309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145444294 and 2145444303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145444313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58938 + ... + 88116.

It is an arithmetic number, because the mean of its divisors is an integer number (357600900).

Almost surely, 2^2145444333 is an apocalyptic number.

It is an amenable number.

2145444333 is a deficient number, since it is larger than the sum of its proper divisors (715362867).

2145444333 is a wasteful number, since it uses less digits than its factorization.

2145444333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53691.

The product of its digits is 69120, while the sum is 33.

The square root of 2145444333 is about 46318.9414062973. The cubic root of 2145444333 is about 1289.7506344504.

Adding to 2145444333 its reverse (3334445412), we get a palindrome (5479889745).

The spelling of 2145444333 in words is "two billion, one hundred forty-five million, four hundred forty-four thousand, three hundred thirty-three".