5440145 has 8 divisors (see below), whose sum is σ = 6680256. Its totient is φ = 4250736.

The previous prime is 5440117. The next prime is 5440181. The reversal of 5440145 is 5410445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5440145 - 2¹⁶ = 5374609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12437 + ... + 12866.

It is an arithmetic number, because the mean of its divisors is an integer number (835032).

Almost surely, 2^5440145 is an apocalyptic number.

It is an amenable number.

5440145 is a deficient number, since it is larger than the sum of its proper divisors (1240111).

5440145 is a wasteful number, since it uses less digits than its factorization.

5440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5440145 is about 2332.4118418495. The cubic root of 5440145 is about 175.8747494712.

The spelling of 5440145 in words is "five million, four hundred forty thousand, one hundred forty-five".