405343141 has 6 divisors (see below), whose sum is σ = 471521670. Its totient is φ = 347436936.

The previous prime is 405343123. The next prime is 405343151. The reversal of 405343141 is 141343504.

It can be written as a sum of positive squares in only one way, i.e., 378146916 + 27196225 = 19446^2 + 5215^2 .

It is not a de Polignac number, because 405343141 - 2⁷ = 405343013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405343111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4136106 + ... + 4136203.

It is an arithmetic number, because the mean of its divisors is an integer number (78586945).

Almost surely, 2^405343141 is an apocalyptic number.

It is an amenable number.

405343141 is a deficient number, since it is larger than the sum of its proper divisors (66178529).

405343141 is an equidigital number, since it uses as much as digits as its factorization.

405343141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272323 (or 8272316 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 405343141 is about 20133.1353991374. The cubic root of 405343141 is about 740.0725160248.

Adding to 405343141 its reverse (141343504), we get a palindrome (546686645).

The spelling of 405343141 in words is "four hundred five million, three hundred forty-three thousand, one hundred forty-one".