45891338 has 8 divisors (see below), whose sum is σ = 68908260. Its totient is φ = 22921920.

The previous prime is 45891331. The next prime is 45891343. The reversal of 45891338 is 83319854.

It can be written as a sum of positive squares in 2 ways, for example, as 40615129 + 5276209 = 6373^2 + 2297^2 .

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

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 45891295 and 45891304.

It is not an unprimeable number, because it can be changed into a prime (45891331) 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, 9353 + ... + 13388.

Almost surely, 2^45891338 is an apocalyptic number.

45891338 is a deficient number, since it is larger than the sum of its proper divisors (23016922).

45891338 is a wasteful number, since it uses less digits than its factorization.

45891338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752.

The product of its digits is 103680, while the sum is 41.

The square root of 45891338 is about 6774.3145778743. The cubic root of 45891338 is about 358.0224333913.

The spelling of 45891338 in words is "forty-five million, eight hundred ninety-one thousand, three hundred thirty-eight".