445011146 has 4 divisors (see below), whose sum is σ = 667516722. Its totient is φ = 222505572.

The previous prime is 445011143. The next prime is 445011197. The reversal of 445011146 is 641110544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 444745921 + 265225 = 21089^2 + 515^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445011143) 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 as a sum of consecutive naturals, namely, 111252785 + ... + 111252788.

Almost surely, 2^445011146 is an apocalyptic number.

445011146 is a deficient number, since it is larger than the sum of its proper divisors (222505576).

445011146 is a wasteful number, since it uses less digits than its factorization.

445011146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222505575.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 445011146 is about 21095.2872936113. The cubic root of 445011146 is about 763.4670462778.

The spelling of 445011146 in words is "four hundred forty-five million, eleven thousand, one hundred forty-six".