445631099 has 8 divisors (see below), whose sum is σ = 451422000. Its totient is φ = 439857792.

The previous prime is 445631051. The next prime is 445631101. The reversal of 445631099 is 990136544.

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 445631099 - 2²⁸ = 177195643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445631899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51047 + ... + 59135.

It is an arithmetic number, because the mean of its divisors is an integer number (56427750).

Almost surely, 2^445631099 is an apocalyptic number.

445631099 is a deficient number, since it is larger than the sum of its proper divisors (5790901).

445631099 is an equidigital number, since it uses as much as digits as its factorization.

445631099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 445631099 is about 21109.9762908441. The cubic root of 445631099 is about 763.8214149762.

Subtracting 445631099 from its reverse (990136544), we obtain a palindrome (544505445).

The spelling of 445631099 in words is "four hundred forty-five million, six hundred thirty-one thousand, ninety-nine".