45801191 has 4 divisors (see below), whose sum is σ = 48211800. Its totient is φ = 43390584.

The previous prime is 45801181. The next prime is 45801193. The reversal of 45801191 is 19110854.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45801191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45801193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205276 + ... + 1205313.

It is an arithmetic number, because the mean of its divisors is an integer number (12052950).

Almost surely, 2^45801191 is an apocalyptic number.

45801191 is a deficient number, since it is larger than the sum of its proper divisors (2410609).

45801191 is a wasteful number, since it uses less digits than its factorization.

45801191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410608.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 45801191 is about 6767.6577188862. The cubic root of 45801191 is about 357.7878516904.

The spelling of 45801191 in words is "forty-five million, eight hundred one thousand, one hundred ninety-one".