45542132 has 12 divisors (see below), whose sum is σ = 80003616. Its totient is φ = 22683960.

The previous prime is 45542129. The next prime is 45542137. The reversal of 45542132 is 23124554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542137) 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, 20594 + ... + 22697.

It is an arithmetic number, because the mean of its divisors is an integer number (6666968).

Almost surely, 2^45542132 is an apocalyptic number.

It is an amenable number.

45542132 is a deficient number, since it is larger than the sum of its proper divisors (34461484).

45542132 is a wasteful number, since it uses less digits than its factorization.

45542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43558 (or 43556 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 45542132 is about 6748.4910906068. The cubic root of 45542132 is about 357.1120070571.

Adding to 45542132 its reverse (23124554), we get a palindrome (68666686).

The spelling of 45542132 in words is "forty-five million, five hundred forty-two thousand, one hundred thirty-two".