1145406466 has 4 divisors (see below), whose sum is σ = 1718109702. Its totient is φ = 572703232.

The previous prime is 1145406461. The next prime is 1145406481. The reversal of 1145406466 is 6646045411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6646045411 = 337 ⋅19721203.

It can be written as a sum of positive squares in only one way, i.e., 1100315241 + 45091225 = 33171^2 + 6715^2 .

It is not an unprimeable number, because it can be changed into a prime (1145406461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286351615 + ... + 286351618.

Almost surely, 2^1145406466 is an apocalyptic number.

1145406466 is a deficient number, since it is larger than the sum of its proper divisors (572703236).

1145406466 is an equidigital number, since it uses as much as digits as its factorization.

1145406466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572703235.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1145406466 is about 33843.8541835885. The cubic root of 1145406466 is about 1046.2927358910.

The spelling of 1145406466 in words is "one billion, one hundred forty-five million, four hundred six thousand, four hundred sixty-six".