355451131645 has 16 divisors (see below), whose sum is σ = 435849822720. Its totient is φ = 278161737984.

The previous prime is 355451131639. The next prime is 355451131661. The reversal of 355451131645 is 546131154553.

It is a cyclic number.

It is not a de Polignac number, because 355451131645 - 2⁵ = 355451131613 is a prime.

It is a super-2 number, since 2×355451131645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36376 + ... + 843934.

It is an arithmetic number, because the mean of its divisors is an integer number (27240613920).

Almost surely, 2^355451131645 is an apocalyptic number.

It is an amenable number.

355451131645 is a deficient number, since it is larger than the sum of its proper divisors (80398691075).

355451131645 is a wasteful number, since it uses less digits than its factorization.

355451131645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809484.

The product of its digits is 540000, while the sum is 43.

The spelling of 355451131645 in words is "three hundred fifty-five billion, four hundred fifty-one million, one hundred thirty-one thousand, six hundred forty-five".