1550300149 has 2 divisors, whose sum is σ = 1550300150. Its totient is φ = 1550300148.

The previous prime is 1550300093. The next prime is 1550300161. The reversal of 1550300149 is 9410030551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452981924 + 97318225 = 38118^2 + 9865^2 .

It is an emirp because it is prime and its reverse (9410030551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1550300149 - 2⁷ = 1550300021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1550300179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775150074 + 775150075.

It is an arithmetic number, because the mean of its divisors is an integer number (775150075).

Almost surely, 2^1550300149 is an apocalyptic number.

It is an amenable number.

1550300149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550300149 is an equidigital number, since it uses as much as digits as its factorization.

1550300149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1550300149 is about 39373.8510816506. The cubic root of 1550300149 is about 1157.3692236879.

The spelling of 1550300149 in words is "one billion, five hundred fifty million, three hundred thousand, one hundred forty-nine".