1445511231453 has 16 divisors (see below), whose sum is σ = 2076021743616. Its totient is φ = 892040590320.

The previous prime is 1445511231431. The next prime is 1445511231457. The reversal of 1445511231453 is 3541321155441.

It is not a de Polignac number, because 1445511231453 - 2⁹ = 1445511230941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445511231457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337892025 + ... + 337896302.

It is an arithmetic number, because the mean of its divisors is an integer number (129751358976).

Almost surely, 2^{1445511231453} is an apocalyptic number.

It is an amenable number.

1445511231453 is a deficient number, since it is larger than the sum of its proper divisors (630510512163).

1445511231453 is a wasteful number, since it uses less digits than its factorization.

1445511231453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675788384.

The product of its digits is 144000, while the sum is 39.

Adding to 1445511231453 its reverse (3541321155441), we get a palindrome (4986832386894).

The spelling of 1445511231453 in words is "one trillion, four hundred forty-five billion, five hundred eleven million, two hundred thirty-one thousand, four hundred fifty-three".