1445601444 has 24 divisors (see below), whose sum is σ = 3854937408. Its totient is φ = 413028960.

The previous prime is 1445601397. The next prime is 1445601449. The reversal of 1445601444 is 4441065441.

It is not an unprimeable number, because it can be changed into a prime (1445601449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8604687 + ... + 8604854.

It is an arithmetic number, because the mean of its divisors is an integer number (160622392).

Almost surely, 2^1445601444 is an apocalyptic number.

1445601444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1445601444 is an abundant number, since it is smaller than the sum of its proper divisors (2409335964).

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

1445601444 is a wasteful number, since it uses less digits than its factorization.

1445601444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17209555 (or 17209553 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 1445601444 is about 38021.0657925314. The cubic root of 1445601444 is about 1130.7055514911.

Adding to 1445601444 its reverse (4441065441), we get a palindrome (5886666885).

The spelling of 1445601444 in words is "one billion, four hundred forty-five million, six hundred one thousand, four hundred forty-four".