408145055 has 4 divisors (see below), whose sum is σ = 489774072. Its totient is φ = 326516040.

The previous prime is 408145033. The next prime is 408145139. The reversal of 408145055 is 550541804.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 408145055 - 2⁸ = 408144799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40814501 + ... + 40814510.

It is an arithmetic number, because the mean of its divisors is an integer number (122443518).

Almost surely, 2^408145055 is an apocalyptic number.

408145055 is a deficient number, since it is larger than the sum of its proper divisors (81629017).

408145055 is an equidigital number, since it uses as much as digits as its factorization.

408145055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81629016.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 408145055 is about 20202.6002039341. The cubic root of 408145055 is about 741.7738398898.

Adding to 408145055 its reverse (550541804), we get a palindrome (958686859).

The spelling of 408145055 in words is "four hundred eight million, one hundred forty-five thousand, fifty-five".