1445264144 has 40 divisors (see below), whose sum is σ = 2907409152. Its totient is φ = 695237760.

The previous prime is 1445264137. The next prime is 1445264159. The reversal of 1445264144 is 4414625441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77387 + ... + 94229.

Almost surely, 2^1445264144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445264144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453704576).

1445264144 is an abundant number, since it is smaller than the sum of its proper divisors (1462145008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445264144 is a wasteful number, since it uses less digits than its factorization.

1445264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055 (or 17049 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 1445264144 is about 38016.6298348499. The cubic root of 1445264144 is about 1130.6176027113.

Adding to 1445264144 its reverse (4414625441), we get a palindrome (5859889585).

The spelling of 1445264144 in words is "one billion, four hundred forty-five million, two hundred sixty-four thousand, one hundred forty-four".