1355151845 has 18 divisors (see below), whose sum is σ = 1652580594. Its totient is φ = 1066802400.

The previous prime is 1355151841. The next prime is 1355151851. The reversal of 1355151845 is 5481515531.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 841812196 + 513339649 = 29014^2 + 22657^2 .

It is not a de Polignac number, because 1355151845 - 2² = 1355151841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355151799 and 1355151808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355151841) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 8313734 + ... + 8313896.

It is an arithmetic number, because the mean of its divisors is an integer number (91810033).

Almost surely, 2^1355151845 is an apocalyptic number.

It is an amenable number.

1355151845 is a deficient number, since it is larger than the sum of its proper divisors (297428749).

1355151845 is an frugal number, since it uses more digits than its factorization.

1355151845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 269 counting only the distinct ones).

The product of its digits is 60000, while the sum is 38.

The square root of 1355151845 is about 36812.3871135790. The cubic root of 1355151845 is about 1106.6135582710.

The spelling of 1355151845 in words is "one billion, three hundred fifty-five million, one hundred fifty-one thousand, eight hundred forty-five".