3502243255145 has 4 divisors (see below), whose sum is σ = 4202691906180. Its totient is φ = 2801794604112.

The previous prime is 3502243255141. The next prime is 3502243255177. The reversal of 3502243255145 is 5415523422053.

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 1615502008576 + 1886741246569 = 1271024^2 + 1373587^2 .

It is a cyclic number.

It is not a de Polignac number, because 3502243255145 - 2² = 3502243255141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3502243255141) 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, 350224325510 + ... + 350224325519.

It is an arithmetic number, because the mean of its divisors is an integer number (1050672976545).

Almost surely, 2^{3502243255145} is an apocalyptic number.

It is an amenable number.

3502243255145 is a deficient number, since it is larger than the sum of its proper divisors (700448651035).

3502243255145 is an equidigital number, since it uses as much as digits as its factorization.

3502243255145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700448651034.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 3502243255145 its reverse (5415523422053), we get a palindrome (8917766677198).

The spelling of 3502243255145 in words is "three trillion, five hundred two billion, two hundred forty-three million, two hundred fifty-five thousand, one hundred forty-five".