44455145 has 8 divisors (see below), whose sum is σ = 60967104. Its totient is φ = 30483504.

The previous prime is 44455141. The next prime is 44455157. The reversal of 44455145 is 54155444.

44455145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44455145 - 2² = 44455141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44455141) 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, 635039 + ... + 635108.

It is an arithmetic number, because the mean of its divisors is an integer number (7620888).

Almost surely, 2^44455145 is an apocalyptic number.

It is an amenable number.

44455145 is a deficient number, since it is larger than the sum of its proper divisors (16511959).

44455145 is a wasteful number, since it uses less digits than its factorization.

44455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270159.

The product of its digits is 32000, while the sum is 32.

The square root of 44455145 is about 6667.4691600337. The cubic root of 44455145 is about 354.2479483724.

The spelling of 44455145 in words is "forty-four million, four hundred fifty-five thousand, one hundred forty-five".