45443533 has 4 divisors (see below), whose sum is σ = 48116700. Its totient is φ = 42770368.

The previous prime is 45443527. The next prime is 45443537. The reversal of 45443533 is 33534454.

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 38900169 + 6543364 = 6237^2 + 2558^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45443533 is a prime.

It is a super-2 number, since 2×45443533² = 4130229383044178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45443495 and 45443504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443537) 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, 1336558 + ... + 1336591.

It is an arithmetic number, because the mean of its divisors is an integer number (12029175).

Almost surely, 2^45443533 is an apocalyptic number.

It is an amenable number.

45443533 is a deficient number, since it is larger than the sum of its proper divisors (2673167).

45443533 is a wasteful number, since it uses less digits than its factorization.

45443533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673166.

The product of its digits is 43200, while the sum is 31.

The square root of 45443533 is about 6741.1818696724. The cubic root of 45443533 is about 356.8541042725.

Adding to 45443533 its reverse (33534454), we get a palindrome (78977987).

The spelling of 45443533 in words is "forty-five million, four hundred forty-three thousand, five hundred thirty-three".