355223645 has 32 divisors (see below), whose sum is σ = 501126912. Its totient is φ = 236662272.

The previous prime is 355223633. The next prime is 355223651. The reversal of 355223645 is 546322553.

It is not a de Polignac number, because 355223645 - 2¹² = 355219549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 350159 + ... + 351171.

It is an arithmetic number, because the mean of its divisors is an integer number (15660216).

Almost surely, 2^355223645 is an apocalyptic number.

355223645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

355223645 is a deficient number, since it is larger than the sum of its proper divisors (145903267).

355223645 is a wasteful number, since it uses less digits than its factorization.

355223645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its digits is 108000, while the sum is 35.

The square root of 355223645 is about 18847.3776690552. The cubic root of 355223645 is about 708.2185352444.

The spelling of 355223645 in words is "three hundred fifty-five million, two hundred twenty-three thousand, six hundred forty-five".