44145334454 has 16 divisors (see below), whose sum is σ = 72316087200. Its totient is φ = 20087800320.

The previous prime is 44145334451. The next prime is 44145334459. The reversal of 44145334454 is 45443354144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145334451) 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, 11955179 + ... + 11958870.

It is an arithmetic number, because the mean of its divisors is an integer number (4519755450).

Almost surely, 2^44145334454 is an apocalyptic number.

44145334454 is a deficient number, since it is larger than the sum of its proper divisors (28170752746).

44145334454 is a wasteful number, since it uses less digits than its factorization.

44145334454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23914135.

The product of its digits is 921600, while the sum is 41.

Adding to 44145334454 its reverse (45443354144), we get a palindrome (89588688598).

The spelling of 44145334454 in words is "forty-four billion, one hundred forty-five million, three hundred thirty-four thousand, four hundred fifty-four".