1355768445 has 16 divisors (see below), whose sum is σ = 2296831680. Its totient is φ = 680542464.

The previous prime is 1355768437. The next prime is 1355768471. The reversal of 1355768445 is 5448675531.

It is not a de Polignac number, because 1355768445 - 2³ = 1355768437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355768394 and 1355768403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658115 + ... + 2658624.

It is an arithmetic number, because the mean of its divisors is an integer number (143551980).

Almost surely, 2^1355768445 is an apocalyptic number.

1355768445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355768445 is a deficient number, since it is larger than the sum of its proper divisors (941063235).

1355768445 is a wasteful number, since it uses less digits than its factorization.

1355768445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316764.

The product of its digits is 2016000, while the sum is 48.

The square root of 1355768445 is about 36820.7610594893. The cubic root of 1355768445 is about 1106.7813708202.

The spelling of 1355768445 in words is "one billion, three hundred fifty-five million, seven hundred sixty-eight thousand, four hundred forty-five".