5409145 has 16 divisors (see below), whose sum is σ = 7855488. Its totient is φ = 3490560.

The previous prime is 5409137. The next prime is 5409149. The reversal of 5409145 is 5419045.

It is not a de Polignac number, because 5409145 - 2³ = 5409137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (490968).

Almost surely, 2^5409145 is an apocalyptic number.

It is an amenable number.

5409145 is a deficient number, since it is larger than the sum of its proper divisors (2446343).

5409145 is a wasteful number, since it uses less digits than its factorization.

5409145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5409145 is about 2325.7568660546. The cubic root of 5409145 is about 175.5400460018.

The spelling of 5409145 in words is "five million, four hundred nine thousand, one hundred forty-five".