45196491 has 4 divisors (see below), whose sum is σ = 60261992. Its totient is φ = 30130992.

The previous prime is 45196457. The next prime is 45196507. The reversal of 45196491 is 19469154.

45196491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45196491 - 2¹⁰ = 45195467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45196451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7532746 + ... + 7532751.

It is an arithmetic number, because the mean of its divisors is an integer number (15065498).

Almost surely, 2^45196491 is an apocalyptic number.

45196491 is a deficient number, since it is larger than the sum of its proper divisors (15065501).

45196491 is a wasteful number, since it uses less digits than its factorization.

45196491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065500.

The product of its digits is 38880, while the sum is 39.

The square root of 45196491 is about 6722.8335543876. The cubic root of 45196491 is about 356.2062806306.

The spelling of 45196491 in words is "forty-five million, one hundred ninety-six thousand, four hundred ninety-one".