1445740475 has 12 divisors (see below), whose sum is σ = 1812863880. Its totient is φ = 1143595200.

The previous prime is 1445740403. The next prime is 1445740481. The reversal of 1445740475 is 5740475441.

It is a de Polignac number, because none of the positive numbers 2^k-1445740475 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322661 + ... + 327110.

It is an arithmetic number, because the mean of its divisors is an integer number (151071990).

Almost surely, 2^1445740475 is an apocalyptic number.

1445740475 is a deficient number, since it is larger than the sum of its proper divisors (367123405).

1445740475 is an equidigital number, since it uses as much as digits as its factorization.

1445740475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649870 (or 649865 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 41.

The square root of 1445740475 is about 38022.8940902715. The cubic root of 1445740475 is about 1130.7417989378.

The spelling of 1445740475 in words is "one billion, four hundred forty-five million, seven hundred forty thousand, four hundred seventy-five".