1355043345 has 16 divisors (see below), whose sum is σ = 2168960640. Its totient is φ = 722392704.

The previous prime is 1355043331. The next prime is 1355043353. The reversal of 1355043345 is 5433405531.

It is not a de Polignac number, because 1355043345 - 2¹⁵ = 1355010577 is a prime.

It is a super-2 number, since 2×1355043345² = 3672284933657578050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21996 + ... + 56514.

It is an arithmetic number, because the mean of its divisors is an integer number (135560040).

Almost surely, 2^1355043345 is an apocalyptic number.

1355043345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355043345 is a deficient number, since it is larger than the sum of its proper divisors (813917295).

1355043345 is a wasteful number, since it uses less digits than its factorization.

1355043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37144.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 1355043345 is about 36810.9133953506. The cubic root of 1355043345 is about 1106.5840238745.

Adding to 1355043345 its reverse (5433405531), we get a palindrome (6788448876).

The spelling of 1355043345 in words is "one billion, three hundred fifty-five million, forty-three thousand, three hundred forty-five".