356305945 has 8 divisors (see below), whose sum is σ = 427742280. Its totient is φ = 284928000.

The previous prime is 356305927. The next prime is 356305973. The reversal of 356305945 is 549503653.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1058841 + 355247104 = 1029^2 + 18848^2 .

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

It is not a de Polignac number, because 356305945 - 2¹¹ = 356303897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356305898 and 356305907.

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, 195 + ... + 26695.

It is an arithmetic number, because the mean of its divisors is an integer number (53467785).

Almost surely, 2^356305945 is an apocalyptic number.

It is an amenable number.

356305945 is a deficient number, since it is larger than the sum of its proper divisors (71436335).

356305945 is a wasteful number, since it uses less digits than its factorization.

356305945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 356305945 is about 18876.0680492522. The cubic root of 356305945 is about 708.9370757853.

The spelling of 356305945 in words is "three hundred fifty-six million, three hundred five thousand, nine hundred forty-five".