445257379 has 8 divisors (see below), whose sum is σ = 509077088. Its totient is φ = 381490560.

The previous prime is 445257349. The next prime is 445257409. The reversal of 445257379 is 973752544.

It is an interprime number because it is at equal distance from previous prime (445257349) and next prime (445257409).

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

It is a cyclic number.

It is not a de Polignac number, because 445257379 - 2¹¹ = 445255331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445257349) 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 in 7 ways as a sum of consecutive naturals, for example, 6859 + ... + 30619.

It is an arithmetic number, because the mean of its divisors is an integer number (63634636).

Almost surely, 2^445257379 is an apocalyptic number.

445257379 is a deficient number, since it is larger than the sum of its proper divisors (63819709).

445257379 is a wasteful number, since it uses less digits than its factorization.

445257379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445.

The product of its digits is 1058400, while the sum is 46.

The square root of 445257379 is about 21101.1226952501. The cubic root of 445257379 is about 763.6078338518.

The spelling of 445257379 in words is "four hundred forty-five million, two hundred fifty-seven thousand, three hundred seventy-nine".