45543532 has 24 divisors (see below), whose sum is σ = 85055600. Its totient is φ = 21275136.

The previous prime is 45543529. The next prime is 45543539. The reversal of 45543532 is 23534554.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45543494 and 45543503.

It is not an unprimeable number, because it can be changed into a prime (45543539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444 + ... + 9652.

Almost surely, 2^45543532 is an apocalyptic number.

It is an amenable number.

45543532 is a deficient number, since it is larger than the sum of its proper divisors (39512068).

45543532 is a wasteful number, since it uses less digits than its factorization.

45543532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305 (or 8303 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 45543532 is about 6748.5948167007. The cubic root of 45543532 is about 357.1156663185.

The spelling of 45543532 in words is "forty-five million, five hundred forty-three thousand, five hundred thirty-two".