445454938 has 8 divisors (see below), whose sum is σ = 697233888. Its totient is φ = 213043644.

The previous prime is 445454921. The next prime is 445454939. The reversal of 445454938 is 839454544.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 9683803 = 445454938 / (4 + 4 + 5 + 4 + 5 + 4 + 9 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (445454939) 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, 4841856 + ... + 4841947.

It is an arithmetic number, because the mean of its divisors is an integer number (87154236).

Almost surely, 2^445454938 is an apocalyptic number.

445454938 is a deficient number, since it is larger than the sum of its proper divisors (251778950).

445454938 is a wasteful number, since it uses less digits than its factorization.

445454938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683828.

The product of its digits is 1382400, while the sum is 46.

The square root of 445454938 is about 21105.8034199127. The cubic root of 445454938 is about 763.7207537800.

The spelling of 445454938 in words is "four hundred forty-five million, four hundred fifty-four thousand, nine hundred thirty-eight".