1457240353 has 4 divisors (see below), whose sum is σ = 1484735508. Its totient is φ = 1429745200.

The previous prime is 1457240341. The next prime is 1457240363. The reversal of 1457240353 is 3530427541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3530427541 = 4799 ⋅735659.

It can be written as a sum of positive squares in 2 ways, for example, as 682620129 + 774620224 = 26127^2 + 27832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457240353 - 2²¹ = 1455143201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457240333) 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, 13747498 + ... + 13747603.

It is an arithmetic number, because the mean of its divisors is an integer number (371183877).

Almost surely, 2^1457240353 is an apocalyptic number.

It is an amenable number.

1457240353 is a deficient number, since it is larger than the sum of its proper divisors (27495155).

1457240353 is an equidigital number, since it uses as much as digits as its factorization.

1457240353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27495154.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1457240353 is about 38173.8176372236. The cubic root of 1457240353 is about 1133.7319775153.

Adding to 1457240353 its reverse (3530427541), we get a palindrome (4987667894).

The spelling of 1457240353 in words is "one billion, four hundred fifty-seven million, two hundred forty thousand, three hundred fifty-three".