1457430319 has 4 divisors (see below), whose sum is σ = 1457506696. Its totient is φ = 1457353944.

The previous prime is 1457430313. The next prime is 1457430323. The reversal of 1457430319 is 9130347541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1457430319 - 2²¹ = 1455333167 is a prime.

It is a super-2 number, since 2×1457430319² = 4248206269480883522, which contains 22 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 (1457430313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677 + ... + 56809.

It is an arithmetic number, because the mean of its divisors is an integer number (364376674).

Almost surely, 2^1457430319 is an apocalyptic number.

1457430319 is a deficient number, since it is larger than the sum of its proper divisors (76377).

1457430319 is an equidigital number, since it uses as much as digits as its factorization.

1457430319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76376.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1457430319 is about 38176.3057275059. The cubic root of 1457430319 is about 1133.7812398466.

The spelling of 1457430319 in words is "one billion, four hundred fifty-seven million, four hundred thirty thousand, three hundred nineteen".