45478811 has 6 divisors (see below), whose sum is σ = 52903980. Its totient is φ = 38981796.

The previous prime is 45478801. The next prime is 45478813. The reversal of 45478811 is 11887454.

It is a happy number.

It is not a de Polignac number, because 45478811 - 2¹⁰ = 45477787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45478813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464021 + ... + 464118.

It is an arithmetic number, because the mean of its divisors is an integer number (8817330).

Almost surely, 2^45478811 is an apocalyptic number.

45478811 is a deficient number, since it is larger than the sum of its proper divisors (7425169).

45478811 is an equidigital number, since it uses as much as digits as its factorization.

45478811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928153 (or 928146 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 45478811 is about 6743.7979655384. The cubic root of 45478811 is about 356.9464228197.

The spelling of 45478811 in words is "forty-five million, four hundred seventy-eight thousand, eight hundred eleven".