375548149 has 2 divisors, whose sum is σ = 375548150. Its totient is φ = 375548148.

The previous prime is 375548137. The next prime is 375548153. The reversal of 375548149 is 941845573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230827249 + 144720900 = 15193^2 + 12030^2 .

It is an emirp because it is prime and its reverse (941845573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375548149 - 2⁷ = 375548021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 375548099 and 375548108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375548249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187774074 + 187774075.

It is an arithmetic number, because the mean of its divisors is an integer number (187774075).

Almost surely, 2^375548149 is an apocalyptic number.

It is an amenable number.

375548149 is a deficient number, since it is larger than the sum of its proper divisors (1).

375548149 is an equidigital number, since it uses as much as digits as its factorization.

375548149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 375548149 is about 19379.0647091133. The cubic root of 375548149 is about 721.4759774974.

The spelling of 375548149 in words is "three hundred seventy-five million, five hundred forty-eight thousand, one hundred forty-nine".