45129448 has 32 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 17853120.

The previous prime is 45129421. The next prime is 45129449. The reversal of 45129448 is 84492154.

45129448 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 (45129449) 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 7 ways as a sum of consecutive naturals, for example, 30268 + ... + 31723.

It is an arithmetic number, because the mean of its divisors is an integer number (3254580).

Almost surely, 2^45129448 is an apocalyptic number.

It is an amenable number.

45129448 is an abundant number, since it is smaller than the sum of its proper divisors (59017112).

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

45129448 is a wasteful number, since it uses less digits than its factorization.

45129448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62017 (or 62013 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 45129448 is about 6717.8454879522. The cubic root of 45129448 is about 356.0300652132.

The spelling of 45129448 in words is "forty-five million, one hundred twenty-nine thousand, four hundred forty-eight".