418145321 has 4 divisors (see below), whose sum is σ = 456158544. Its totient is φ = 380132100.

The previous prime is 418145317. The next prime is 418145327. The reversal of 418145321 is 123541814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 418145321 - 2² = 418145317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (418145327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19006595 + ... + 19006616.

It is an arithmetic number, because the mean of its divisors is an integer number (114039636).

Almost surely, 2^418145321 is an apocalyptic number.

It is an amenable number.

418145321 is a deficient number, since it is larger than the sum of its proper divisors (38013223).

418145321 is a wasteful number, since it uses less digits than its factorization.

418145321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38013222.

The product of its digits is 3840, while the sum is 29.

The square root of 418145321 is about 20448.6019326506. The cubic root of 418145321 is about 747.7832744774.

The spelling of 418145321 in words is "four hundred eighteen million, one hundred forty-five thousand, three hundred twenty-one".