540145033 has 4 divisors (see below), whose sum is σ = 540209680. Its totient is φ = 540080388.

The previous prime is 540145003. The next prime is 540145049. The reversal of 540145033 is 330541045.

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: 330541045 = 5 ⋅66108209.

It is a cyclic number.

It is not a de Polignac number, because 540145033 - 2²⁹ = 3274121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540144989 and 540145007.

It is not an unprimeable number, because it can be changed into a prime (540145003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17535 + ... + 37252.

It is an arithmetic number, because the mean of its divisors is an integer number (135052420).

Almost surely, 2^540145033 is an apocalyptic number.

It is an amenable number.

540145033 is a deficient number, since it is larger than the sum of its proper divisors (64647).

540145033 is an equidigital number, since it uses as much as digits as its factorization.

540145033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64646.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540145033 is about 23241.0204810374. The cubic root of 540145033 is about 814.3981821804.

Adding to 540145033 its reverse (330541045), we get a palindrome (870686078).

The spelling of 540145033 in words is "five hundred forty million, one hundred forty-five thousand, thirty-three".