1457378903 has 8 divisors (see below), whose sum is σ = 1497256848. Its totient is φ = 1417526784.

The previous prime is 1457378893. The next prime is 1457378921. The reversal of 1457378903 is 3098737541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1457378903 - 2⁴ = 1457378887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457378953) 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, 181175 + ... + 189047.

It is an arithmetic number, because the mean of its divisors is an integer number (187157106).

Almost surely, 2^1457378903 is an apocalyptic number.

1457378903 is a deficient number, since it is larger than the sum of its proper divisors (39877945).

1457378903 is an equidigital number, since it uses as much as digits as its factorization.

1457378903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 1457378903 is about 38175.6323195831. The cubic root of 1457378903 is about 1133.7679069777.

The spelling of 1457378903 in words is "one billion, four hundred fifty-seven million, three hundred seventy-eight thousand, nine hundred three".