1445201475 has 12 divisors (see below), whose sum is σ = 2389399896. Its totient is φ = 770774080.

The previous prime is 1445201473. The next prime is 1445201507. The reversal of 1445201475 is 5741025441.

It is not a de Polignac number, because 1445201475 - 2¹ = 1445201473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445201473) 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 11 ways as a sum of consecutive naturals, for example, 9634602 + ... + 9634751.

It is an arithmetic number, because the mean of its divisors is an integer number (199116658).

Almost surely, 2^1445201475 is an apocalyptic number.

1445201475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445201475 is a deficient number, since it is larger than the sum of its proper divisors (944198421).

1445201475 is a wasteful number, since it uses less digits than its factorization.

1445201475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19269366 (or 19269361 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 1445201475 is about 38015.8055945156. The cubic root of 1445201475 is about 1130.6012606701.

The spelling of 1445201475 in words is "one billion, four hundred forty-five million, two hundred one thousand, four hundred seventy-five".