1457313637 has 4 divisors (see below), whose sum is σ = 1569414700. Its totient is φ = 1345212576.

The previous prime is 1457313601. The next prime is 1457313647. The reversal of 1457313637 is 7363137541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7363137541 = 44483 ⋅165527.

It can be written as a sum of positive squares in 2 ways, for example, as 446645956 + 1010667681 = 21134^2 + 31791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457313637 - 2¹¹ = 1457311589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457313637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457313647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56050512 + ... + 56050537.

It is an arithmetic number, because the mean of its divisors is an integer number (392353675).

Almost surely, 2^1457313637 is an apocalyptic number.

It is an amenable number.

1457313637 is a deficient number, since it is larger than the sum of its proper divisors (112101063).

1457313637 is a wasteful number, since it uses less digits than its factorization.

1457313637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112101062.

The product of its digits is 158760, while the sum is 40.

The square root of 1457313637 is about 38174.7774977144. Note that the first 3 decimals coincide. The cubic root of 1457313637 is about 1133.7509821637.

The spelling of 1457313637 in words is "one billion, four hundred fifty-seven million, three hundred thirteen thousand, six hundred thirty-seven".