45541332 has 48 divisors (see below), whose sum is σ = 118473600. Its totient is φ = 15128640.

The previous prime is 45541291. The next prime is 45541337. The reversal of 45541332 is 23314554.

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

It is a junction number, because it is equal to n+sod(n) for n = 45541296 and 45541305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45541337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43657 + ... + 44687.

It is an arithmetic number, because the mean of its divisors is an integer number (2468200).

Almost surely, 2^45541332 is an apocalyptic number.

It is an amenable number.

45541332 is an abundant number, since it is smaller than the sum of its proper divisors (72932268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45541332 is a wasteful number, since it uses less digits than its factorization.

45541332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1445 counting only the distinct ones).

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

The square root of 45541332 is about 6748.4318178374. The cubic root of 45541332 is about 357.1099160170.

Adding to 45541332 its reverse (23314554), we get a palindrome (68855886).

It can be divided in two parts, 4554 and 1332, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 45541332 in words is "forty-five million, five hundred forty-one thousand, three hundred thirty-two".