45193838 has 8 divisors (see below), whose sum is σ = 67851432. Its totient is φ = 22576696.

The previous prime is 45193831. The next prime is 45193859. The reversal of 45193838 is 83839154.

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

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 45193795 and 45193804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45193831) 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, 7145 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (8481429).

Almost surely, 2^45193838 is an apocalyptic number.

45193838 is a deficient number, since it is larger than the sum of its proper divisors (22657594).

45193838 is a wasteful number, since it uses less digits than its factorization.

45193838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226.

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

The square root of 45193838 is about 6722.6362388575. The cubic root of 45193838 is about 356.1993108141.

The spelling of 45193838 in words is "forty-five million, one hundred ninety-three thousand, eight hundred thirty-eight".