4405545 has 24 divisors (see below), whose sum is σ = 7802496. Its totient is φ = 2298528.

The previous prime is 4405543. The next prime is 4405547. The reversal of 4405545 is 5455044.

It is an interprime number because it is at equal distance from previous prime (4405543) and next prime (4405547).

It is not a de Polignac number, because 4405545 - 2¹ = 4405543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (325104).

Almost surely, 2^4405545 is an apocalyptic number.

4405545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4405545 is a deficient number, since it is larger than the sum of its proper divisors (3396951).

4405545 is a wasteful number, since it uses less digits than its factorization.

4405545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2138 counting only the distinct ones).

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

The square root of 4405545 is about 2098.9390176944. The cubic root of 4405545 is about 163.9330606250.

It can be divided in two parts, 44055 and 45, that added together give a square (44100 = 210²).

The spelling of 4405545 in words is "four million, four hundred five thousand, five hundred forty-five".