445143850 has 12 divisors (see below), whose sum is σ = 827967654. Its totient is φ = 178057520.

The previous prime is 445143841. The next prime is 445143877. The reversal of 445143850 is 58341544.

It can be written as a sum of positive squares in 3 ways, for example, as 335585761 + 109558089 = 18319^2 + 10467^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4451389 + ... + 4451488.

Almost surely, 2^445143850 is an apocalyptic number.

445143850 is a deficient number, since it is larger than the sum of its proper divisors (382823804).

445143850 is a wasteful number, since it uses less digits than its factorization.

445143850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902889 (or 8902884 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 445143850 is about 21098.4324062239. The cubic root of 445143850 is about 763.5429283185.

The spelling of 445143850 in words is "four hundred forty-five million, one hundred forty-three thousand, eight hundred fifty".