1445230344 has 32 divisors (see below), whose sum is σ = 3697103520. Its totient is φ = 470539776.

The previous prime is 1445230321. The next prime is 1445230349. The reversal of 1445230344 is 4430325441.

It is not an unprimeable number, because it can be changed into a prime (1445230349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699177 + ... + 701240.

It is an arithmetic number, because the mean of its divisors is an integer number (115534485).

Almost surely, 2^1445230344 is an apocalyptic number.

It is an amenable number.

1445230344 is an abundant number, since it is smaller than the sum of its proper divisors (2251873176).

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

1445230344 is a wasteful number, since it uses less digits than its factorization.

1445230344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400469 (or 1400465 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1445230344 is about 38016.1852899525. The cubic root of 1445230344 is about 1130.6087888270.

Adding to 1445230344 its reverse (4430325441), we get a palindrome (5875555785).

The spelling of 1445230344 in words is "one billion, four hundred forty-five million, two hundred thirty thousand, three hundred forty-four".