1440453352148 has 6 divisors (see below), whose sum is σ = 2520793366266. Its totient is φ = 720226676072.

The previous prime is 1440453352147. The next prime is 1440453352157. The reversal of 1440453352148 is 8412533540441.

It can be written as a sum of positive squares in only one way, i.e., 765446510404 + 675006841744 = 874898^2 + 821588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1440453352099 and 1440453352108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440453352147) 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 as a sum of consecutive naturals, namely, 180056669015 + ... + 180056669022.

It is an arithmetic number, because the mean of its divisors is an integer number (420132227711).

Almost surely, 2^{1440453352148} is an apocalyptic number.

It is an amenable number.

1440453352148 is a deficient number, since it is larger than the sum of its proper divisors (1080340014118).

1440453352148 is a wasteful number, since it uses less digits than its factorization.

1440453352148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360113338041 (or 360113338039 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

Adding to 1440453352148 its reverse (8412533540441), we get a palindrome (9852986892589).

The spelling of 1440453352148 in words is "one trillion, four hundred forty billion, four hundred fifty-three million, three hundred fifty-two thousand, one hundred forty-eight".