354224143 has 8 divisors (see below), whose sum is σ = 435968288. Its totient is φ = 280265184.

The previous prime is 354224111. The next prime is 354224147. The reversal of 354224143 is 341422453.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354224143 - 2⁵ = 354224111 is a prime.

It is a super-3 number, since 3×354224143³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354224147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946196 + ... + 1946377.

It is an arithmetic number, because the mean of its divisors is an integer number (54496036).

Almost surely, 2^354224143 is an apocalyptic number.

354224143 is a deficient number, since it is larger than the sum of its proper divisors (81744145).

354224143 is a wasteful number, since it uses less digits than its factorization.

354224143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892593.

The product of its digits is 11520, while the sum is 28.

The square root of 354224143 is about 18820.8433126680. The cubic root of 354224143 is about 707.5536669700.

Adding to 354224143 its reverse (341422453), we get a palindrome (695646596).

The spelling of 354224143 in words is "three hundred fifty-four million, two hundred twenty-four thousand, one hundred forty-three".