145044544401 has 32 divisors (see below), whose sum is σ = 225997655040. Its totient is φ = 91811491200.

The previous prime is 145044544399. The next prime is 145044544417. The reversal of 145044544401 is 104445440541.

It is not a de Polignac number, because 145044544401 - 2¹ = 145044544399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145044548401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590460 + ... + 1679181.

It is an arithmetic number, because the mean of its divisors is an integer number (7062426720).

Almost surely, 2^145044544401 is an apocalyptic number.

It is an amenable number.

145044544401 is a deficient number, since it is larger than the sum of its proper divisors (80953110639).

145044544401 is a wasteful number, since it uses less digits than its factorization.

145044544401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269734 (or 3269728 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 145044544401 its reverse (104445440541), we get a palindrome (249489984942).

The spelling of 145044544401 in words is "one hundred forty-five billion, forty-four million, five hundred forty-four thousand, four hundred one".