45194207 has 4 divisors (see below), whose sum is σ = 45216600. Its totient is φ = 45171816.

The previous prime is 45194203. The next prime is 45194239. The reversal of 45194207 is 70249154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45194207 - 2² = 45194203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45194203) by changing a digit.

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, 7832 + ... + 12317.

It is an arithmetic number, because the mean of its divisors is an integer number (11304150).

Almost surely, 2^45194207 is an apocalyptic number.

45194207 is a deficient number, since it is larger than the sum of its proper divisors (22393).

45194207 is a wasteful number, since it uses less digits than its factorization.

45194207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22392.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45194207 is about 6722.6636833922. The cubic root of 45194207 is about 356.2002802470.

The spelling of 45194207 in words is "forty-five million, one hundred ninety-four thousand, two hundred seven".