4135545 has 24 divisors (see below), whose sum is σ = 7417800. Its totient is φ = 2128896.

The previous prime is 4135541. The next prime is 4135567. The reversal of 4135545 is 5455314.

4135545 = 238² + 239² + ... + 295².

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 3143529 = 996^2 + 1773^2 .

It is not a de Polignac number, because 4135545 - 2² = 4135541 is a prime.

4135545 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135541) 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, 280 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (309075).

Almost surely, 2^4135545 is an apocalyptic number.

4135545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4135545 is a deficient number, since it is larger than the sum of its proper divisors (3282255).

4135545 is a wasteful number, since it uses less digits than its factorization.

4135545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3206 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 4135545 is about 2033.6039437413. The cubic root of 4135545 is about 160.5132606157.

The spelling of 4135545 in words is "four million, one hundred thirty-five thousand, five hundred forty-five".