45163291 has 2 divisors, whose sum is σ = 45163292. Its totient is φ = 45163290.

The previous prime is 45163267. The next prime is 45163319. The reversal of 45163291 is 19236154.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45163291 is a prime.

It is not a weakly prime, because it can be changed into another prime (45163211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22581645 + 22581646.

It is an arithmetic number, because the mean of its divisors is an integer number (22581646).

Almost surely, 2^45163291 is an apocalyptic number.

45163291 is a deficient number, since it is larger than the sum of its proper divisors (1).

45163291 is an equidigital number, since it uses as much as digits as its factorization.

45163291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 45163291 is about 6720.3639038374. The cubic root of 45163291 is about 356.1190397473.

It can be divided in two parts, 45163 and 291, that added together give a palindrome (45454).

The spelling of 45163291 in words is "forty-five million, one hundred sixty-three thousand, two hundred ninety-one".