355655149 has 2 divisors, whose sum is σ = 355655150. Its totient is φ = 355655148.

The previous prime is 355655123. The next prime is 355655171. The reversal of 355655149 is 941556553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192709924 + 162945225 = 13882^2 + 12765^2 .

It is a cyclic number.

It is not a de Polignac number, because 355655149 - 2¹⁹ = 355130861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355655849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177827574 + 177827575.

It is an arithmetic number, because the mean of its divisors is an integer number (177827575).

Almost surely, 2^355655149 is an apocalyptic number.

It is an amenable number.

355655149 is a deficient number, since it is larger than the sum of its proper divisors (1).

355655149 is an equidigital number, since it uses as much as digits as its factorization.

355655149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405000, while the sum is 43.

The square root of 355655149 is about 18858.8215167332. The cubic root of 355655149 is about 708.5051860887.

The spelling of 355655149 in words is "three hundred fifty-five million, six hundred fifty-five thousand, one hundred forty-nine".