45433521 has 64 divisors (see below), whose sum is σ = 80985600. Its totient is φ = 24634368.

The previous prime is 45433511. The next prime is 45433529. The reversal of 45433521 is 12533454.

It is not a de Polignac number, because 45433521 - 2⁶ = 45433457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45433529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510445 + ... + 510533.

It is an arithmetic number, because the mean of its divisors is an integer number (1265400).

Almost surely, 2^45433521 is an apocalyptic number.

It is an amenable number.

45433521 is a deficient number, since it is larger than the sum of its proper divisors (35552079).

45433521 is a wasteful number, since it uses less digits than its factorization.

45433521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 209 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 45433521 is about 6740.4392290117. The cubic root of 45433521 is about 356.8278952942.

Adding to 45433521 its reverse (12533454), we get a palindrome (57966975).

It can be divided in two parts, 45433 and 521, that added together give a palindrome (45954).

The spelling of 45433521 in words is "forty-five million, four hundred thirty-three thousand, five hundred twenty-one".