355445035521545 has 8 divisors (see below), whose sum is σ = 428073876716424. Its totient is φ = 283329472356864.

The previous prime is 355445035521533. The next prime is 355445035521553. The reversal of 355445035521545 is 545125530544553.

It can be written as a sum of positive squares in 4 ways, for example, as 5014905856 + 355440020615689 = 70816^2 + 18853117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355445035521545 - 2¹⁸ = 355445035259401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128319506024 + ... + 128319508793.

It is an arithmetic number, because the mean of its divisors is an integer number (53509234589553).

Almost surely, 2^{355445035521545} is an apocalyptic number.

It is an amenable number.

355445035521545 is a deficient number, since it is larger than the sum of its proper divisors (72628841194879).

355445035521545 is a wasteful number, since it uses less digits than its factorization.

355445035521545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256639015099.

The product of its (nonzero) digits is 90000000, while the sum is 56.

The spelling of 355445035521545 in words is "three hundred fifty-five trillion, four hundred forty-five billion, thirty-five million, five hundred twenty-one thousand, five hundred forty-five".