433245138 has 8 divisors (see below), whose sum is σ = 866490288. Its totient is φ = 144415044.

The previous prime is 433245097. The next prime is 433245139. The reversal of 433245138 is 831542334.

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

433245138 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 433245099 and 433245108.

It is not an unprimeable number, because it can be changed into a prime (433245139) 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, 36103756 + ... + 36103767.

It is an arithmetic number, because the mean of its divisors is an integer number (108311286).

Almost surely, 2^433245138 is an apocalyptic number.

433245138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

433245138 is a wasteful number, since it uses less digits than its factorization.

433245138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72207528.

The product of its digits is 34560, while the sum is 33.

The square root of 433245138 is about 20814.5415034778. The cubic root of 433245138 is about 756.6782182594.

The spelling of 433245138 in words is "four hundred thirty-three million, two hundred forty-five thousand, one hundred thirty-eight".