354143655 has 24 divisors (see below), whose sum is σ = 615457440. Its totient is φ = 188381760.

The previous prime is 354143651. The next prime is 354143701. The reversal of 354143655 is 556341453.

It is not a de Polignac number, because 354143655 - 2² = 354143651 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354143651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7390 + ... + 27620.

It is an arithmetic number, because the mean of its divisors is an integer number (25644060).

Almost surely, 2^354143655 is an apocalyptic number.

354143655 is a deficient number, since it is larger than the sum of its proper divisors (261313785).

354143655 is a wasteful number, since it uses less digits than its factorization.

354143655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20631 (or 20628 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 354143655 is about 18818.7049235594. The cubic root of 354143655 is about 707.5000720032.

The spelling of 354143655 in words is "three hundred fifty-four million, one hundred forty-three thousand, six hundred fifty-five".