1355343455 has 4 divisors (see below), whose sum is σ = 1626412152. Its totient is φ = 1084274760.

The previous prime is 1355343439. The next prime is 1355343463. The reversal of 1355343455 is 5543435531.

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

It is not a de Polignac number, because 1355343455 - 2⁴ = 1355343439 is a prime.

It is a super-2 number, since 2×1355343455² = 3673911762022674050, which contains 22 as substring.

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, 135534341 + ... + 135534350.

It is an arithmetic number, because the mean of its divisors is an integer number (406603038).

Almost surely, 2^1355343455 is an apocalyptic number.

1355343455 is a deficient number, since it is larger than the sum of its proper divisors (271068697).

1355343455 is an equidigital number, since it uses as much as digits as its factorization.

1355343455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271068696.

The product of its digits is 270000, while the sum is 38.

The square root of 1355343455 is about 36814.9895423046. The cubic root of 1355343455 is about 1106.6657118929.

Adding to 1355343455 its reverse (5543435531), we get a palindrome (6898778986).

The spelling of 1355343455 in words is "one billion, three hundred fifty-five million, three hundred forty-three thousand, four hundred fifty-five".