1457278248 has 32 divisors (see below), whose sum is σ = 3711938400. Its totient is φ = 476593728.

The previous prime is 1457278247. The next prime is 1457278271. The reversal of 1457278248 is 8428727541.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1457278197 and 1457278206.

It is not an unprimeable number, because it can be changed into a prime (1457278243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571558 + ... + 574101.

It is an arithmetic number, because the mean of its divisors is an integer number (115998075).

Almost surely, 2^1457278248 is an apocalyptic number.

It is an amenable number.

1457278248 is an abundant number, since it is smaller than the sum of its proper divisors (2254660152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457278248 is a wasteful number, since it uses less digits than its factorization.

1457278248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145721 (or 1145717 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 48.

The square root of 1457278248 is about 38174.3139820482. The cubic root of 1457278248 is about 1133.7418048580.

The spelling of 1457278248 in words is "one billion, four hundred fifty-seven million, two hundred seventy-eight thousand, two hundred forty-eight".