1445575466 has 8 divisors (see below), whose sum is σ = 2169407460. Its totient is φ = 722439648.

The previous prime is 1445575463. The next prime is 1445575513. The reversal of 1445575466 is 6645755441.

It can be written as a sum of positive squares in 2 ways, for example, as 1085373025 + 360202441 = 32945^2 + 18979^2 .

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

It is a super-2 number, since 2×1445575466² = 4179376855802234312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445575466.

It is not an unprimeable number, because it can be changed into a prime (1445575463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168821 + ... + 177176.

Almost surely, 2^1445575466 is an apocalyptic number.

1445575466 is a deficient number, since it is larger than the sum of its proper divisors (723831994).

1445575466 is a wasteful number, since it uses less digits than its factorization.

1445575466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348088.

The product of its digits is 2016000, while the sum is 47.

The square root of 1445575466 is about 38020.7241645921. The cubic root of 1445575466 is about 1130.6987783829.

The spelling of 1445575466 in words is "one billion, four hundred forty-five million, five hundred seventy-five thousand, four hundred sixty-six".