445395469 has 4 divisors (see below), whose sum is σ = 447506560. Its totient is φ = 443284380.

The previous prime is 445395463. The next prime is 445395479. The reversal of 445395469 is 964593544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445395469 - 2¹⁷ = 445264397 is a prime.

It is a super-2 number, since 2×445395469² = 396754247611459922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445395463) 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, 1055229 + ... + 1055650.

It is an arithmetic number, because the mean of its divisors is an integer number (111876640).

Almost surely, 2^445395469 is an apocalyptic number.

It is an amenable number.

445395469 is a deficient number, since it is larger than the sum of its proper divisors (2111091).

445395469 is a wasteful number, since it uses less digits than its factorization.

445395469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111090.

The product of its digits is 2332800, while the sum is 49.

The square root of 445395469 is about 21104.3945423696. The cubic root of 445395469 is about 763.6867662563.

The spelling of 445395469 in words is "four hundred forty-five million, three hundred ninety-five thousand, four hundred sixty-nine".