1353442045 has 4 divisors (see below), whose sum is σ = 1624130460. Its totient is φ = 1082753632.

The previous prime is 1353442039. The next prime is 1353442049. The reversal of 1353442045 is 5402443531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 794450596 + 558991449 = 28186^2 + 23643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353442045 - 2⁷ = 1353441917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1353441998 and 1353442016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353442049) 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, 135344200 + ... + 135344209.

It is an arithmetic number, because the mean of its divisors is an integer number (406032615).

Almost surely, 2^1353442045 is an apocalyptic number.

It is an amenable number.

1353442045 is a deficient number, since it is larger than the sum of its proper divisors (270688415).

1353442045 is an equidigital number, since it uses as much as digits as its factorization.

1353442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270688414.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1353442045 is about 36789.1566225702. The cubic root of 1353442045 is about 1106.1479562849.

Adding to 1353442045 its reverse (5402443531), we get a palindrome (6755885576).

The spelling of 1353442045 in words is "one billion, three hundred fifty-three million, four hundred forty-two thousand, forty-five".