45180791 has 2 divisors, whose sum is σ = 45180792. Its totient is φ = 45180790.

The previous prime is 45180767. The next prime is 45180887. The reversal of 45180791 is 19708154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45180791 - 2¹⁴ = 45164407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45180731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590395 + 22590396.

It is an arithmetic number, because the mean of its divisors is an integer number (22590396).

Almost surely, 2^45180791 is an apocalyptic number.

45180791 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180791 is an equidigital number, since it uses as much as digits as its factorization.

45180791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 45180791 is about 6721.6657905611. The cubic root of 45180791 is about 356.1650304793.

The spelling of 45180791 in words is "forty-five million, one hundred eighty thousand, seven hundred ninety-one".