418145 has 16 divisors (see below), whose sum is σ = 618240. Its totient is φ = 264384.

The previous prime is 418129. The next prime is 418157. The reversal of 418145 is 541814.

It is a cyclic number.

It is not a de Polignac number, because 418145 - 2⁴ = 418129 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 418145.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (38640).

2⁴¹⁸¹⁴⁵ is an apocalyptic number.

It is an amenable number.

418145 is a deficient number, since it is larger than the sum of its proper divisors (200095).

418145 is a wasteful number, since it uses less digits than its factorization.

418145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 640, while the sum is 23.

The square root of 418145 is about 646.6413225274. The cubic root of 418145 is about 74.7783083126.

Adding to 418145 its reverse (541814), we get a palindrome (959959).

The spelling of 418145 in words is "four hundred eighteen thousand, one hundred forty-five".