45194386 has 4 divisors (see below), whose sum is σ = 67791582. Its totient is φ = 22597192.

The previous prime is 45194377. The next prime is 45194389. The reversal of 45194386 is 68349154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 1038361 = 6645^2 + 1019^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45194389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11298595 + ... + 11298598.

Almost surely, 2^45194386 is an apocalyptic number.

45194386 is a deficient number, since it is larger than the sum of its proper divisors (22597196).

45194386 is a wasteful number, since it uses less digits than its factorization.

45194386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22597195.

The product of its digits is 103680, while the sum is 40.

The square root of 45194386 is about 6722.6769965543. The cubic root of 45194386 is about 356.2007505121.

The spelling of 45194386 in words is "forty-five million, one hundred ninety-four thousand, three hundred eighty-six".