445863430 has 8 divisors (see below), whose sum is σ = 802554192. Its totient is φ = 178345368.

The previous prime is 445863409. The next prime is 445863449. The reversal of 445863430 is 34368544.

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

It is a super-2 number, since 2×445863430² = 397588396422729800, 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 445863430.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22293162 + ... + 22293181.

It is an arithmetic number, because the mean of its divisors is an integer number (100319274).

Almost surely, 2^445863430 is an apocalyptic number.

445863430 is a deficient number, since it is larger than the sum of its proper divisors (356690762).

445863430 is a wasteful number, since it uses less digits than its factorization.

445863430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44586350.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 445863430 is about 21115.4784459173. The cubic root of 445863430 is about 763.9541320471.

The spelling of 445863430 in words is "four hundred forty-five million, eight hundred sixty-three thousand, four hundred thirty".