1355343445 has 32 divisors (see below), whose sum is σ = 1791313920. Its totient is φ = 980259840.

The previous prime is 1355343439. The next prime is 1355343463. The reversal of 1355343445 is 5443435531.

It is not a de Polignac number, because 1355343445 - 2⁵ = 1355343413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219916 + ... + 225994.

It is an arithmetic number, because the mean of its divisors is an integer number (55978560).

Almost surely, 2^1355343445 is an apocalyptic number.

It is an amenable number.

1355343445 is a deficient number, since it is larger than the sum of its proper divisors (435970475).

1355343445 is a wasteful number, since it uses less digits than its factorization.

1355343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205.

The product of its digits is 216000, while the sum is 37.

The square root of 1355343445 is about 36814.9894064904. The cubic root of 1355343445 is about 1106.6657091712.

Adding to 1355343445 its reverse (5443435531), we get a palindrome (6798778976).

The spelling of 1355343445 in words is "one billion, three hundred fifty-five million, three hundred forty-three thousand, four hundred forty-five".