2145043433 has 8 divisors (see below), whose sum is σ = 2363769408. Its totient is φ = 1933992144.

The previous prime is 2145043427. The next prime is 2145043477. The reversal of 2145043433 is 3343405412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145043433 - 2¹⁶ = 2144977897 is a prime.

It is a super-2 number, since 2×2145043433² = 9202422658912850978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145043396 and 2145043405.

It is not an unprimeable number, because it can be changed into a prime (2145043633) 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, 1918085 + ... + 1919202.

It is an arithmetic number, because the mean of its divisors is an integer number (295471176).

Almost surely, 2^2145043433 is an apocalyptic number.

It is an amenable number.

2145043433 is a deficient number, since it is larger than the sum of its proper divisors (218725975).

2145043433 is a wasteful number, since it uses less digits than its factorization.

2145043433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837343.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2145043433 is about 46314.6136008928. The cubic root of 2145043433 is about 1289.6702947229.

Adding to 2145043433 its reverse (3343405412), we get a palindrome (5488448845).

The spelling of 2145043433 in words is "two billion, one hundred forty-five million, forty-three thousand, four hundred thirty-three".