45616291 has 16 divisors (see below), whose sum is σ = 54641664. Its totient is φ = 37233504.

The previous prime is 45616289. The next prime is 45616297. The reversal of 45616291 is 19261654.

It is not a de Polignac number, because 45616291 - 2¹ = 45616289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45616297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46690 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (3415104).

Almost surely, 2^45616291 is an apocalyptic number.

45616291 is a deficient number, since it is larger than the sum of its proper divisors (9025373).

45616291 is a wasteful number, since it uses less digits than its factorization.

45616291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its digits is 12960, while the sum is 34.

The square root of 45616291 is about 6753.9833431835. The cubic root of 45616291 is about 357.3057376131.

The spelling of 45616291 in words is "forty-five million, six hundred sixteen thousand, two hundred ninety-one".