45544120 has 32 divisors (see below), whose sum is σ = 102772800. Its totient is φ = 18164608.

The previous prime is 45544111. The next prime is 45544127. The reversal of 45544120 is 2144554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544127) 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, 14097 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (3211650).

Almost surely, 2^45544120 is an apocalyptic number.

45544120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45544120 is an abundant number, since it is smaller than the sum of its proper divisors (57228680).

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

45544120 is a wasteful number, since it uses less digits than its factorization.

45544120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45544120 is about 6748.6383811848. The cubic root of 45544120 is about 357.1172031859.

Adding to 45544120 its reverse (2144554), we get a palindrome (47688674).

The spelling of 45544120 in words is "forty-five million, five hundred forty-four thousand, one hundred twenty".