145440504241 has 16 divisors (see below), whose sum is σ = 148158460800. Its totient is φ = 142749025408.

The previous prime is 145440504227. The next prime is 145440504247. The reversal of 145440504241 is 142405044541.

It is a cyclic number.

It is not a de Polignac number, because 145440504241 - 2³³ = 136850569649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145440504197 and 145440504206.

It is not an unprimeable number, because it can be changed into a prime (145440504247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11482770 + ... + 11495428.

It is an arithmetic number, because the mean of its divisors is an integer number (9259903800).

Almost surely, 2^145440504241 is an apocalyptic number.

It is an amenable number.

145440504241 is a deficient number, since it is larger than the sum of its proper divisors (2717956559).

145440504241 is a wasteful number, since it uses less digits than its factorization.

145440504241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 145440504241 its reverse (142405044541), we get a palindrome (287845548782).

The spelling of 145440504241 in words is "one hundred forty-five billion, four hundred forty million, five hundred four thousand, two hundred forty-one".