45418033 has 4 divisors (see below), whose sum is σ = 48089700. Its totient is φ = 42746368.

The previous prime is 45418001. The next prime is 45418049. The reversal of 45418033 is 33081454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 23590449 = 4672^2 + 4857^2 .

It is a cyclic number.

It is not a de Polignac number, because 45418033 - 2⁵ = 45418001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45417992 and 45418010.

It is not an unprimeable number, because it can be changed into a prime (45418063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335808 + ... + 1335841.

It is an arithmetic number, because the mean of its divisors is an integer number (12022425).

Almost surely, 2^45418033 is an apocalyptic number.

It is an amenable number.

45418033 is a deficient number, since it is larger than the sum of its proper divisors (2671667).

45418033 is a wasteful number, since it uses less digits than its factorization.

45418033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671666.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45418033 is about 6739.2902445287. The cubic root of 45418033 is about 356.7873438949.

Adding to 45418033 its reverse (33081454), we get a palindrome (78499487).

The spelling of 45418033 in words is "forty-five million, four hundred eighteen thousand, thirty-three".