445433738 has 8 divisors (see below), whose sum is σ = 668492832. Its totient is φ = 222602796.

The previous prime is 445433731. The next prime is 445433741. The reversal of 445433738 is 837334544.

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

It is a super-2 number, since 2×445433738² = 396822429897305288, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 445433695 and 445433704.

It is not an unprimeable number, because it can be changed into a prime (445433731) 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, 52070 + ... + 60017.

It is an arithmetic number, because the mean of its divisors is an integer number (83561604).

Almost surely, 2^445433738 is an apocalyptic number.

445433738 is a deficient number, since it is larger than the sum of its proper divisors (223059094).

445433738 is a wasteful number, since it uses less digits than its factorization.

445433738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114076.

The product of its digits is 483840, while the sum is 41.

The square root of 445433738 is about 21105.3011824044. The cubic root of 445433738 is about 763.7086379740.

The spelling of 445433738 in words is "four hundred forty-five million, four hundred thirty-three thousand, seven hundred thirty-eight".