355220745 has 32 divisors (see below), whose sum is σ = 622664064. Its totient is φ = 171494400.

The previous prime is 355220743. The next prime is 355220753. The reversal of 355220745 is 547022553.

It is not a de Polignac number, because 355220745 - 2¹ = 355220743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (355220743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35299 + ... + 44231.

It is an arithmetic number, because the mean of its divisors is an integer number (19458252).

Almost surely, 2^355220745 is an apocalyptic number.

It is an amenable number.

355220745 is a deficient number, since it is larger than the sum of its proper divisors (267443319).

355220745 is a wasteful number, since it uses less digits than its factorization.

355220745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 355220745 is about 18847.3007351185. The cubic root of 355220745 is about 708.2166079710.

The spelling of 355220745 in words is "three hundred fifty-five million, two hundred twenty thousand, seven hundred forty-five".