45447533 has 4 divisors (see below), whose sum is σ = 45752700. Its totient is φ = 45142368.

The previous prime is 45447509. The next prime is 45447551. The reversal of 45447533 is 33574454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33574454 = 2 ⋅16787227.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 41499364 = 1987^2 + 6442^2 .

It is a cyclic number.

It is not a de Polignac number, because 45447533 - 2⁶ = 45447469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45447493 and 45447502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45447593) 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, 152360 + ... + 152657.

It is an arithmetic number, because the mean of its divisors is an integer number (11438175).

Almost surely, 2^45447533 is an apocalyptic number.

It is an amenable number.

45447533 is a deficient number, since it is larger than the sum of its proper divisors (305167).

45447533 is a wasteful number, since it uses less digits than its factorization.

45447533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305166.

The product of its digits is 100800, while the sum is 35.

The square root of 45447533 is about 6741.4785470251. The cubic root of 45447533 is about 356.8645742223.

The spelling of 45447533 in words is "forty-five million, four hundred forty-seven thousand, five hundred thirty-three".