45319538 has 8 divisors (see below), whose sum is σ = 74159280. Its totient is φ = 20599780.

The previous prime is 45319481. The next prime is 45319543. The reversal of 45319538 is 83591354.

It is a happy number.

45319538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 1029968 + ... + 1030011.

It is an arithmetic number, because the mean of its divisors is an integer number (9269910).

Almost surely, 2^45319538 is an apocalyptic number.

45319538 is a deficient number, since it is larger than the sum of its proper divisors (28839742).

45319538 is a wasteful number, since it uses less digits than its factorization.

45319538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059992.

The product of its digits is 64800, while the sum is 38.

The square root of 45319538 is about 6731.9787581364. The cubic root of 45319538 is about 356.5292437458.

It can be divided in two parts, 453 and 19538, that added together give a palindrome (19991).

The spelling of 45319538 in words is "forty-five million, three hundred nineteen thousand, five hundred thirty-eight".