355124149 has 2 divisors, whose sum is σ = 355124150. Its totient is φ = 355124148.

The previous prime is 355124123. The next prime is 355124153. The reversal of 355124149 is 941421553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345402225 + 9721924 = 18585^2 + 3118^2 .

It is an emirp because it is prime and its reverse (941421553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355124149 - 2¹⁵ = 355091381 is a prime.

It is a super-2 number, since 2×355124149² = 252226322405948402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355124449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177562074 + 177562075.

It is an arithmetic number, because the mean of its divisors is an integer number (177562075).

Almost surely, 2^355124149 is an apocalyptic number.

It is an amenable number.

355124149 is a deficient number, since it is larger than the sum of its proper divisors (1).

355124149 is an equidigital number, since it uses as much as digits as its factorization.

355124149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 355124149 is about 18844.7379658089. The cubic root of 355124149 is about 708.1524064902.

The spelling of 355124149 in words is "three hundred fifty-five million, one hundred twenty-four thousand, one hundred forty-nine".