354155147 has 2 divisors, whose sum is σ = 354155148. Its totient is φ = 354155146.

The previous prime is 354155143. The next prime is 354155149. The reversal of 354155147 is 741551453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354155147 - 2² = 354155143 is a prime.

Together with 354155149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354155143) 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 as a sum of consecutive naturals, namely, 177077573 + 177077574.

It is an arithmetic number, because the mean of its divisors is an integer number (177077574).

Almost surely, 2^354155147 is an apocalyptic number.

354155147 is a deficient number, since it is larger than the sum of its proper divisors (1).

354155147 is an equidigital number, since it uses as much as digits as its factorization.

354155147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 354155147 is about 18819.0102555900. The cubic root of 354155147 is about 707.5077247385.

The spelling of 354155147 in words is "three hundred fifty-four million, one hundred fifty-five thousand, one hundred forty-seven".