1352440233145 has 12 divisors (see below), whose sum is σ = 1676969602020. Its totient is φ = 1047050499360.

The previous prime is 1352440233113. The next prime is 1352440233169. The reversal of 1352440233145 is 5413320442531.

It can be written as a sum of positive squares in 2 ways, for example, as 527825498256 + 824614734889 = 726516^2 + 908083^2 .

It is not a de Polignac number, because 1352440233145 - 2⁵ = 1352440233113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140727790 + ... + 140737399.

It is an arithmetic number, because the mean of its divisors is an integer number (139747466835).

Almost surely, 2^{1352440233145} is an apocalyptic number.

It is an amenable number.

1352440233145 is a deficient number, since it is larger than the sum of its proper divisors (324529368875).

1352440233145 is an equidigital number, since it uses as much as digits as its factorization.

1352440233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281465256 (or 281465225 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1352440233145 its reverse (5413320442531), we get a palindrome (6765760675676).

The spelling of 1352440233145 in words is "one trillion, three hundred fifty-two billion, four hundred forty million, two hundred thirty-three thousand, one hundred forty-five".