45605191 has 2 divisors, whose sum is σ = 45605192. Its totient is φ = 45605190.

The previous prime is 45605179. The next prime is 45605213. The reversal of 45605191 is 19150654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45605191 - 2¹¹ = 45603143 is a prime.

It is a super-2 number, since 2×45605191² = 4159666892292962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45605141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22802595 + 22802596.

It is an arithmetic number, because the mean of its divisors is an integer number (22802596).

Almost surely, 2^45605191 is an apocalyptic number.

45605191 is a deficient number, since it is larger than the sum of its proper divisors (1).

45605191 is an equidigital number, since it uses as much as digits as its factorization.

45605191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 45605191 is about 6753.1615558937. The cubic root of 45605191 is about 357.2767537031.

It can be divided in two parts, 45605 and 191, that added together give a square (45796 = 214²).

The spelling of 45605191 in words is "forty-five million, six hundred five thousand, one hundred ninety-one".