457755149 has 2 divisors, whose sum is σ = 457755150. Its totient is φ = 457755148.

The previous prime is 457755143. The next prime is 457755161. The reversal of 457755149 is 941557754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 35164900 = 20557^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 457755149 - 2⁸ = 457754893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457755143) 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, 228877574 + 228877575.

It is an arithmetic number, because the mean of its divisors is an integer number (228877575).

Almost surely, 2^457755149 is an apocalyptic number.

It is an amenable number.

457755149 is a deficient number, since it is larger than the sum of its proper divisors (1).

457755149 is an equidigital number, since it uses as much as digits as its factorization.

457755149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 47.

The square root of 457755149 is about 21395.2132263271. The cubic root of 457755149 is about 770.6864901589.

The spelling of 457755149 in words is "four hundred fifty-seven million, seven hundred fifty-five thousand, one hundred forty-nine".