445250369 has 4 divisors (see below), whose sum is σ = 460603860. Its totient is φ = 429896880.

The previous prime is 445250363. The next prime is 445250371. The reversal of 445250369 is 963052544.

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

It can be written as a sum of positive squares in 2 ways, for example, as 298840369 + 146410000 = 17287^2 + 12100^2 .

It is a cyclic number.

It is not a de Polignac number, because 445250369 - 2¹⁶ = 445184833 is a prime.

It is a super-2 number, since 2×445250369² = 396495782189272322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445250363) 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, 7676702 + ... + 7676759.

It is an arithmetic number, because the mean of its divisors is an integer number (115150965).

Almost surely, 2^445250369 is an apocalyptic number.

It is an amenable number.

445250369 is a deficient number, since it is larger than the sum of its proper divisors (15353491).

445250369 is a wasteful number, since it uses less digits than its factorization.

445250369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353490.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 445250369 is about 21100.9565896904. The cubic root of 445250369 is about 763.6038264924.

The spelling of 445250369 in words is "four hundred forty-five million, two hundred fifty thousand, three hundred sixty-nine".