1457882447 has 12 divisors (see below), whose sum is σ = 1795664160. Its totient is φ = 1176106176.

The previous prime is 1457882443. The next prime is 1457882453. The reversal of 1457882447 is 7442887541.

It is not a de Polignac number, because 1457882447 - 2² = 1457882443 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457882395 and 1457882404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457882443) 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 11 ways as a sum of consecutive naturals, for example, 874247 + ... + 875912.

It is an arithmetic number, because the mean of its divisors is an integer number (149638680).

Almost surely, 2^1457882447 is an apocalyptic number.

1457882447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1457882447 is a deficient number, since it is larger than the sum of its proper divisors (337781713).

1457882447 is a wasteful number, since it uses less digits than its factorization.

1457882447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750190 (or 1750183 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 50.

The square root of 1457882447 is about 38182.2268470554. The cubic root of 1457882447 is about 1133.8984692923.

The spelling of 1457882447 in words is "one billion, four hundred fifty-seven million, eight hundred eighty-two thousand, four hundred forty-seven".