45501554 has 32 divisors (see below), whose sum is σ = 84623616. Its totient is φ = 17902080.

The previous prime is 45501553. The next prime is 45501559. The reversal of 45501554 is 45510554.

It is a happy number.

45501554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45501553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7427 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (2644488).

Almost surely, 2^45501554 is an apocalyptic number.

45501554 is a deficient number, since it is larger than the sum of its proper divisors (39122062).

45501554 is a wasteful number, since it uses less digits than its factorization.

45501554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 45501554 is about 6745.4839707763. The cubic root of 45501554 is about 357.0059133786.

Adding to 45501554 its product of nonzero digits (10000), we get a palindrome (45511554).

The spelling of 45501554 in words is "forty-five million, five hundred one thousand, five hundred fifty-four".