5445240 has 32 divisors (see below), whose sum is σ = 16336080. Its totient is φ = 1452032.

The previous prime is 5445239. The next prime is 5445257. The reversal of 5445240 is 425445.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5445240.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22569 + ... + 22808.

Almost surely, 2^5445240 is an apocalyptic number.

It is an amenable number.

5445240 is an abundant number, since it is smaller than the sum of its proper divisors (10890840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5445240 is a wasteful number, since it uses less digits than its factorization.

5445240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45391 (or 45387 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 5445240 is about 2333.5038032967. The cubic root of 5445240 is about 175.9296378520.

The spelling of 5445240 in words is "five million, four hundred forty-five thousand, two hundred forty".