1445225043 has 8 divisors (see below), whose sum is σ = 1967966208. Its totient is φ = 942983624.

The previous prime is 1445225039. The next prime is 1445225071. The reversal of 1445225043 is 3405225441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445225043 - 2² = 1445225039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445225043.

It is not an unprimeable number, because it can be changed into a prime (1445225083) 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, 5124771 + ... + 5125052.

It is an arithmetic number, because the mean of its divisors is an integer number (245995776).

Almost surely, 2^1445225043 is an apocalyptic number.

1445225043 is a deficient number, since it is larger than the sum of its proper divisors (522741165).

1445225043 is a wasteful number, since it uses less digits than its factorization.

1445225043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249873.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1445225043 is about 38016.1155695844. The cubic root of 1445225043 is about 1130.6074064950.

The spelling of 1445225043 in words is "one billion, four hundred forty-five million, two hundred twenty-five thousand, forty-three".