45191659 has 2 divisors, whose sum is σ = 45191660. Its totient is φ = 45191658.

The previous prime is 45191647. The next prime is 45191681. The reversal of 45191659 is 95619154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45191659 - 2¹¹ = 45189611 is a prime.

It is a super-3 number, since 3×45191659³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45191609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22595829 + 22595830.

It is an arithmetic number, because the mean of its divisors is an integer number (22595830).

Almost surely, 2^45191659 is an apocalyptic number.

45191659 is a deficient number, since it is larger than the sum of its proper divisors (1).

45191659 is an equidigital number, since it uses as much as digits as its factorization.

45191659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 40.

The square root of 45191659 is about 6722.4741725052. The cubic root of 45191659 is about 356.1935860604.

The spelling of 45191659 in words is "forty-five million, one hundred ninety-one thousand, six hundred fifty-nine".