5405145 has 16 divisors (see below), whose sum is σ = 8882880. Its totient is φ = 2804544.

The previous prime is 5405137. The next prime is 5405173. The reversal of 5405145 is 5415045.

It is not a de Polignac number, because 5405145 - 2³ = 5405137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (555180).

Almost surely, 2^5405145 is an apocalyptic number.

It is an amenable number.

5405145 is a deficient number, since it is larger than the sum of its proper divisors (3477735).

5405145 is a wasteful number, since it uses less digits than its factorization.

5405145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5405145 is about 2324.8967719019. The cubic root of 5405145 is about 175.4967653887.

The spelling of 5405145 in words is "five million, four hundred five thousand, one hundred forty-five".