1045606191 has 16 divisors (see below), whose sum is σ = 1600456704. Its totient is φ = 594807264.

The previous prime is 1045606187. The next prime is 1045606217. The reversal of 1045606191 is 1916065401.

It is not a de Polignac number, because 1045606191 - 2² = 1045606187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045606141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106956 + ... + 116321.

It is an arithmetic number, because the mean of its divisors is an integer number (100028544).

Almost surely, 2^1045606191 is an apocalyptic number.

1045606191 is a deficient number, since it is larger than the sum of its proper divisors (554850513).

1045606191 is a wasteful number, since it uses less digits than its factorization.

1045606191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223510.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1045606191 is about 32335.8344719910. The cubic root of 1045606191 is about 1014.9766440467.

The spelling of 1045606191 in words is "one billion, forty-five million, six hundred six thousand, one hundred ninety-one".