45545403194 has 32 divisors (see below), whose sum is σ = 70257217536. Its totient is φ = 22136526720.

The previous prime is 45545403193. The next prime is 45545403217. The reversal of 45545403194 is 49130454554.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45545403193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4069334 + ... + 4080510.

It is an arithmetic number, because the mean of its divisors is an integer number (2195538048).

Almost surely, 2^45545403194 is an apocalyptic number.

45545403194 is a deficient number, since it is larger than the sum of its proper divisors (24711814342).

45545403194 is a wasteful number, since it uses less digits than its factorization.

45545403194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 45545403194 in words is "forty-five billion, five hundred forty-five million, four hundred three thousand, one hundred ninety-four".