355304545 has 4 divisors (see below), whose sum is σ = 426365460. Its totient is φ = 284243632.

The previous prime is 355304533. The next prime is 355304557. The reversal of 355304545 is 545403553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545403553 = 31 ⋅17593663.

It is an interprime number because it is at equal distance from previous prime (355304533) and next prime (355304557).

It can be written as a sum of positive squares in 2 ways, for example, as 41589601 + 313714944 = 6449^2 + 17712^2 .

It is a cyclic number.

It is not a de Polignac number, because 355304545 - 2⁵ = 355304513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355304545.

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, 35530450 + ... + 35530459.

It is an arithmetic number, because the mean of its divisors is an integer number (106591365).

Almost surely, 2^355304545 is an apocalyptic number.

It is an amenable number.

355304545 is a deficient number, since it is larger than the sum of its proper divisors (71060915).

355304545 is an equidigital number, since it uses as much as digits as its factorization.

355304545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71060914.

The product of its (nonzero) digits is 90000, while the sum is 34.

The square root of 355304545 is about 18849.5237340364. The cubic root of 355304545 is about 708.2722953017.

The spelling of 355304545 in words is "three hundred fifty-five million, three hundred four thousand, five hundred forty-five".