1355160145 has 4 divisors (see below), whose sum is σ = 1626192180. Its totient is φ = 1084128112.

The previous prime is 1355160143. The next prime is 1355160181. The reversal of 1355160145 is 5410615531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410615531 = 1231 ⋅4395301.

It can be written as a sum of positive squares in 2 ways, for example, as 362217024 + 992943121 = 19032^2 + 31511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355160145 - 2¹ = 1355160143 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1355160143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135516010 + ... + 135516019.

It is an arithmetic number, because the mean of its divisors is an integer number (406548045).

Almost surely, 2^1355160145 is an apocalyptic number.

It is an amenable number.

1355160145 is a deficient number, since it is larger than the sum of its proper divisors (271032035).

1355160145 is an equidigital number, since it uses as much as digits as its factorization.

1355160145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271032034.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1355160145 is about 36812.4998471986. The cubic root of 1355160145 is about 1106.6158175193.

Adding to 1355160145 its reverse (5410615531), we get a palindrome (6765775676).

The spelling of 1355160145 in words is "one billion, three hundred fifty-five million, one hundred sixty thousand, one hundred forty-five".