1352550640145 has 4 divisors (see below), whose sum is σ = 1623060768180. Its totient is φ = 1082040512112.

The previous prime is 1352550640127. The next prime is 1352550640169. The reversal of 1352550640145 is 5410460552531.

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 206501171776 + 1146049468369 = 454424^2 + 1070537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352550640145 - 2⁶ = 1352550640081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135255064010 + ... + 135255064019.

It is an arithmetic number, because the mean of its divisors is an integer number (405765192045).

Almost surely, 2^{1352550640145} is an apocalyptic number.

It is an amenable number.

1352550640145 is a deficient number, since it is larger than the sum of its proper divisors (270510128035).

1352550640145 is an equidigital number, since it uses as much as digits as its factorization.

1352550640145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270510128034.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 1352550640145 in words is "one trillion, three hundred fifty-two billion, five hundred fifty million, six hundred forty thousand, one hundred forty-five".