4161445 has 8 divisors (see below), whose sum is σ = 5005440. Its totient is φ = 3321360.

The previous prime is 4161439. The next prime is 4161457. The reversal of 4161445 is 5441614.

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

It is not a de Polignac number, because 4161445 - 2¹⁹ = 3637157 is a prime.

4161445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (625680).

Almost surely, 2^4161445 is an apocalyptic number.

It is an amenable number.

4161445 is a deficient number, since it is larger than the sum of its proper divisors (843995).

4161445 is a wasteful number, since it uses less digits than its factorization.

4161445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its digits is 1920, while the sum is 25.

The square root of 4161445 is about 2039.9620094502. The cubic root of 4161445 is about 160.8476498184.

The spelling of 4161445 in words is "four million, one hundred sixty-one thousand, four hundred forty-five".