44021001145154 has 96 divisors (see below), whose sum is σ = 74379815122176. Its totient is φ = 19377275016960.

The previous prime is 44021001145129. The next prime is 44021001145157. The reversal of 44021001145154 is 45154110012044.

It is a self number, because there is not a number n which added to its sum of digits gives 44021001145154.

It is not an unprimeable number, because it can be changed into a prime (44021001145157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4887416519 + ... + 4887425525.

It is an arithmetic number, because the mean of its divisors is an integer number (774789740856).

Almost surely, 2^{44021001145154} is an apocalyptic number.

44021001145154 is a deficient number, since it is larger than the sum of its proper divisors (30358813977022).

44021001145154 is a wasteful number, since it uses less digits than its factorization.

44021001145154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120 (or 10077 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 44021001145154 its reverse (45154110012044), we get a palindrome (89175111157198).

The spelling of 44021001145154 in words is "forty-four trillion, twenty-one billion, one million, one hundred forty-five thousand, one hundred fifty-four".