457703149 has 2 divisors, whose sum is σ = 457703150. Its totient is φ = 457703148.

The previous prime is 457703119. The next prime is 457703221. The reversal of 457703149 is 941307754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328153225 + 129549924 = 18115^2 + 11382^2 .

It is a cyclic number.

It is not a de Polignac number, because 457703149 - 2⁷ = 457703021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457703119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228851574 + 228851575.

It is an arithmetic number, because the mean of its divisors is an integer number (228851575).

Almost surely, 2^457703149 is an apocalyptic number.

It is an amenable number.

457703149 is a deficient number, since it is larger than the sum of its proper divisors (1).

457703149 is an equidigital number, since it uses as much as digits as its factorization.

457703149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 457703149 is about 21393.9979667195. The cubic root of 457703149 is about 770.6573062781.

The spelling of 457703149 in words is "four hundred fifty-seven million, seven hundred three thousand, one hundred forty-nine".