355143312 has 80 divisors (see below), whose sum is σ = 1044308160. Its totient is φ = 115488000.

The previous prime is 355143247. The next prime is 355143323. The reversal of 355143312 is 213341553.

It is a super-2 number, since 2×355143312² = 252253544116658688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 7687 + ... + 27737.

It is an arithmetic number, because the mean of its divisors is an integer number (13053852).

Almost surely, 2^355143312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355143312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522154080).

355143312 is an abundant number, since it is smaller than the sum of its proper divisors (689164848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355143312 is a wasteful number, since it uses less digits than its factorization.

355143312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109 (or 20097 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 355143312 is about 18845.2464032710. The cubic root of 355143312 is about 708.1651438954.

Adding to 355143312 its reverse (213341553), we get a palindrome (568484865).

The spelling of 355143312 in words is "three hundred fifty-five million, one hundred forty-three thousand, three hundred twelve".