1457030453 has 2 divisors, whose sum is σ = 1457030454. Its totient is φ = 1457030452.

The previous prime is 1457030401. The next prime is 1457030467. The reversal of 1457030453 is 3540307541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1355565124 + 101465329 = 36818^2 + 10073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457030453 - 2¹² = 1457026357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457030753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728515226 + 728515227.

It is an arithmetic number, because the mean of its divisors is an integer number (728515227).

Almost surely, 2^1457030453 is an apocalyptic number.

It is an amenable number.

1457030453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457030453 is an equidigital number, since it uses as much as digits as its factorization.

1457030453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 1457030453 is about 38171.0682716636. The cubic root of 1457030453 is about 1133.6775408837.

Adding to 1457030453 its reverse (3540307541), we get a palindrome (4997337994).

The spelling of 1457030453 in words is "one billion, four hundred fifty-seven million, thirty thousand, four hundred fifty-three".