1445531201444 has 48 divisors (see below), whose sum is σ = 2787519873600. Its totient is φ = 650448614400.

The previous prime is 1445531201441. The next prime is 1445531201459. The reversal of 1445531201444 is 4441021355441.

It is a junction number, because it is equal to n+sod(n) for n = 1445531201398 and 1445531201407.

It is not an unprimeable number, because it can be changed into a prime (1445531201441) 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, 2050892 + ... + 2664060.

It is an arithmetic number, because the mean of its divisors is an integer number (58073330700).

Almost surely, 2^{1445531201444} is an apocalyptic number.

It is an amenable number.

1445531201444 is a deficient number, since it is larger than the sum of its proper divisors (1341988672156).

1445531201444 is a wasteful number, since it uses less digits than its factorization.

1445531201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613724 (or 613722 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 1445531201444 its reverse (4441021355441), we get a palindrome (5886552556885).

The spelling of 1445531201444 in words is "one trillion, four hundred forty-five billion, five hundred thirty-one million, two hundred one thousand, four hundred forty-four".