355254143 has 2 divisors, whose sum is σ = 355254144. Its totient is φ = 355254142.

The previous prime is 355254103. The next prime is 355254149. The reversal of 355254143 is 341452553.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355254143 - 2¹⁸ = 354991999 is a prime.

It is a super-2 number, since 2×355254143² = 252411012237328898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355254149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177627071 + 177627072.

It is an arithmetic number, because the mean of its divisors is an integer number (177627072).

Almost surely, 2^355254143 is an apocalyptic number.

355254143 is a deficient number, since it is larger than the sum of its proper divisors (1).

355254143 is an equidigital number, since it uses as much as digits as its factorization.

355254143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 32.

The square root of 355254143 is about 18848.1867297626. The cubic root of 355254143 is about 708.2388028806.

The spelling of 355254143 in words is "three hundred fifty-five million, two hundred fifty-four thousand, one hundred forty-three".