44002445145 has 16 divisors (see below), whose sum is σ = 71597200320. Its totient is φ = 23070208064.

The previous prime is 44002445141. The next prime is 44002445153. The reversal of 44002445145 is 54154420044.

It is a cyclic number.

It is not a de Polignac number, because 44002445145 - 2² = 44002445141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44002445141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24859254 + ... + 24861023.

It is an arithmetic number, because the mean of its divisors is an integer number (4474825020).

Almost surely, 2^44002445145 is an apocalyptic number.

It is an amenable number.

44002445145 is a deficient number, since it is larger than the sum of its proper divisors (27594755175).

44002445145 is a wasteful number, since it uses less digits than its factorization.

44002445145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49720344.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 44002445145 its reverse (54154420044), we get a palindrome (98156865189).

The spelling of 44002445145 in words is "forty-four billion, two million, four hundred forty-five thousand, one hundred forty-five".