355974945 has 16 divisors (see below), whose sum is σ = 581679360. Its totient is φ = 185813504.

The previous prime is 355974911. The next prime is 355974989. The reversal of 355974945 is 549479553.

It is a cyclic number.

It is not a de Polignac number, because 355974945 - 2⁶ = 355974881 is a prime.

It is a super-2 number, since 2×355974945² = 253436322935506050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251760 + ... + 253169.

It is an arithmetic number, because the mean of its divisors is an integer number (36354960).

Almost surely, 2^355974945 is an apocalyptic number.

It is an amenable number.

355974945 is a deficient number, since it is larger than the sum of its proper divisors (225704415).

355974945 is a wasteful number, since it uses less digits than its factorization.

355974945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504984.

The product of its digits is 3402000, while the sum is 51.

The square root of 355974945 is about 18867.2982962585. The cubic root of 355974945 is about 708.7174790437.

The spelling of 355974945 in words is "three hundred fifty-five million, nine hundred seventy-four thousand, nine hundred forty-five".