445114992 has 80 divisors (see below), whose sum is σ = 1318383872. Its totient is φ = 126766080.

The previous prime is 445114981. The next prime is 445115003. The reversal of 445114992 is 299411544.

It is an interprime number because it is at equal distance from previous prime (445114981) and next prime (445115003).

It is a super-2 number, since 2×445114992² = 396254712206320128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445114992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111267 + ... + 115197.

Almost surely, 2^445114992 is an apocalyptic number.

445114992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445114992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659191936).

445114992 is an abundant number, since it is smaller than the sum of its proper divisors (873268880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445114992 is a wasteful number, since it uses less digits than its factorization.

445114992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 4280 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 445114992 is about 21097.7485054685. The cubic root of 445114992 is about 763.5264281857.

The spelling of 445114992 in words is "four hundred forty-five million, one hundred fourteen thousand, nine hundred ninety-two".