45990811 has 4 divisors (see below), whose sum is σ = 48411400. Its totient is φ = 43570224.

The previous prime is 45990809. The next prime is 45990817. The reversal of 45990811 is 11809954.

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

It is a cyclic number.

It is not a de Polignac number, because 45990811 - 2¹ = 45990809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45990817) 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, 1210266 + ... + 1210303.

It is an arithmetic number, because the mean of its divisors is an integer number (12102850).

Almost surely, 2^45990811 is an apocalyptic number.

45990811 is a deficient number, since it is larger than the sum of its proper divisors (2420589).

45990811 is a wasteful number, since it uses less digits than its factorization.

45990811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420588.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 45990811 is about 6781.6525272237. The cubic root of 45990811 is about 358.2809270875.

The spelling of 45990811 in words is "forty-five million, nine hundred ninety thousand, eight hundred eleven".