1457457303 has 4 divisors (see below), whose sum is σ = 1943276408. Its totient is φ = 971638200.

The previous prime is 1457457289. The next prime is 1457457329. The reversal of 1457457303 is 3037547541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1457457303 - 2⁵ = 1457457271 is a prime.

It is a super-3 number, since 3×1457457303³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457457373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242909548 + ... + 242909553.

It is an arithmetic number, because the mean of its divisors is an integer number (485819102).

Almost surely, 2^1457457303 is an apocalyptic number.

1457457303 is a deficient number, since it is larger than the sum of its proper divisors (485819105).

1457457303 is an equidigital number, since it uses as much as digits as its factorization.

1457457303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485819104.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 1457457303 is about 38176.6591387984. The cubic root of 1457457303 is about 1133.7882370397.

The spelling of 1457457303 in words is "one billion, four hundred fifty-seven million, four hundred fifty-seven thousand, three hundred three".