44145332155 has 16 divisors (see below), whose sum is σ = 53144812800. Its totient is φ = 35202826240.

The previous prime is 44145332117. The next prime is 44145332173. The reversal of 44145332155 is 55123354144.

It is not a de Polignac number, because 44145332155 - 2⁷ = 44145332027 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215035 + ... + 2234875.

It is an arithmetic number, because the mean of its divisors is an integer number (3321550800).

Almost surely, 2^44145332155 is an apocalyptic number.

44145332155 is a deficient number, since it is larger than the sum of its proper divisors (8999480645).

44145332155 is a wasteful number, since it uses less digits than its factorization.

44145332155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21254.

The product of its digits is 144000, while the sum is 37.

Adding to 44145332155 its reverse (55123354144), we get a palindrome (99268686299).

The spelling of 44145332155 in words is "forty-four billion, one hundred forty-five million, three hundred thirty-two thousand, one hundred fifty-five".