45991011 has 48 divisors (see below), whose sum is σ = 71773184. Its totient is φ = 26136000.

The previous prime is 45990983. The next prime is 45991019. The reversal of 45991011 is 11019954.

It is not a de Polignac number, because 45991011 - 2⁵ = 45990979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45991011.

It is not an unprimeable number, because it can be changed into a prime (45991019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686400 + ... + 686466.

Almost surely, 2^45991011 is an apocalyptic number.

45991011 is a deficient number, since it is larger than the sum of its proper divisors (25782173).

45991011 is a wasteful number, since it uses less digits than its factorization.

45991011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 45991011 is about 6781.6672728762. The cubic root of 45991011 is about 358.2814464382.

The spelling of 45991011 in words is "forty-five million, nine hundred ninety-one thousand, eleven".