45005541 has 16 divisors (see below), whose sum is σ = 69249024. Its totient is φ = 25466544.

The previous prime is 45005539. The next prime is 45005557. The reversal of 45005541 is 14550054.

It is not a de Polignac number, because 45005541 - 2¹ = 45005539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45005531) 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, 8241 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (4328064).

Almost surely, 2^45005541 is an apocalyptic number.

It is an amenable number.

45005541 is a deficient number, since it is larger than the sum of its proper divisors (24243483).

45005541 is a wasteful number, since it uses less digits than its factorization.

45005541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45005541 is about 6708.6169215420. The cubic root of 45005541 is about 355.7039289208.

Adding to 45005541 its reverse (14550054), we get a palindrome (59555595).

The spelling of 45005541 in words is "forty-five million, five thousand, five hundred forty-one".