1438045382 has 8 divisors (see below), whose sum is σ = 2166741696. Its totient is φ = 715798152.

The previous prime is 1438045369. The next prime is 1438045397. The reversal of 1438045382 is 2835408341.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611713 + ... + 1612604.

It is an arithmetic number, because the mean of its divisors is an integer number (270842712).

Almost surely, 2^1438045382 is an apocalyptic number.

1438045382 is a deficient number, since it is larger than the sum of its proper divisors (728696314).

1438045382 is a wasteful number, since it uses less digits than its factorization.

1438045382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224542.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1438045382 is about 37921.5688230326. The cubic root of 1438045382 is about 1128.7320683171.

The spelling of 1438045382 in words is "one billion, four hundred thirty-eight million, forty-five thousand, three hundred eighty-two".