5445405 has 48 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 2438784.

The previous prime is 5445403. The next prime is 5445413. The reversal of 5445405 is 5045445.

It is not a de Polignac number, because 5445405 - 2¹ = 5445403 is a prime.

It is a super-2 number, since 2×5445405² = 59304871228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18439 + ... + 18731.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

Almost surely, 2^5445405 is an apocalyptic number.

It is an amenable number.

5445405 is an abundant number, since it is smaller than the sum of its proper divisors (5561955).

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

5445405 is a wasteful number, since it uses less digits than its factorization.

5445405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 5445405 is about 2333.5391575887. The cubic root of 5445405 is about 175.9314148228.

It can be divided in two parts, 5445 and 405, that multiplied together give a square (2205225 = 1485²).

The spelling of 5445405 in words is "five million, four hundred forty-five thousand, four hundred five".