457481137 has 2 divisors, whose sum is σ = 457481138. Its totient is φ = 457481136.

The previous prime is 457481081. The next prime is 457481147. The reversal of 457481137 is 731184754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372914721 + 84566416 = 19311^2 + 9196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457481137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457481137.

It is not a weakly prime, because it can be changed into another prime (457481147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228740568 + 228740569.

It is an arithmetic number, because the mean of its divisors is an integer number (228740569).

Almost surely, 2^457481137 is an apocalyptic number.

It is an amenable number.

457481137 is a deficient number, since it is larger than the sum of its proper divisors (1).

457481137 is an equidigital number, since it uses as much as digits as its factorization.

457481137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 457481137 is about 21388.8086858525. The cubic root of 457481137 is about 770.5326819510.

The spelling of 457481137 in words is "four hundred fifty-seven million, four hundred eighty-one thousand, one hundred thirty-seven".