355550149 has 2 divisors, whose sum is σ = 355550150. Its totient is φ = 355550148.

The previous prime is 355550141. The next prime is 355550183. The reversal of 355550149 is 941055553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234396100 + 121154049 = 15310^2 + 11007^2 .

It is a cyclic number.

It is not a de Polignac number, because 355550149 - 2³ = 355550141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355550141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177775074 + 177775075.

It is an arithmetic number, because the mean of its divisors is an integer number (177775075).

Almost surely, 2^355550149 is an apocalyptic number.

It is an amenable number.

355550149 is a deficient number, since it is larger than the sum of its proper divisors (1).

355550149 is an equidigital number, since it uses as much as digits as its factorization.

355550149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 355550149 is about 18856.0374681427. The cubic root of 355550149 is about 708.4354552769.

The spelling of 355550149 in words is "three hundred fifty-five million, five hundred fifty thousand, one hundred forty-nine".