1448137257 has 16 divisors (see below), whose sum is σ = 2253637632. Its totient is φ = 809899920.

The previous prime is 1448137219. The next prime is 1448137259. The reversal of 1448137257 is 7527318441.

It is not a de Polignac number, because 1448137257 - 2¹⁰ = 1448136233 is a prime.

It is a super-2 number, since 2×1448137257² = 4194203030222968098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1448137259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732619 + ... + 734592.

It is an arithmetic number, because the mean of its divisors is an integer number (140852352).

Almost surely, 2^1448137257 is an apocalyptic number.

It is an amenable number.

1448137257 is a deficient number, since it is larger than the sum of its proper divisors (805500375).

1448137257 is a wasteful number, since it uses less digits than its factorization.

1448137257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467268.

The product of its digits is 188160, while the sum is 42.

The square root of 1448137257 is about 38054.3986550832. The cubic root of 1448137257 is about 1131.3663105912.

The spelling of 1448137257 in words is "one billion, four hundred forty-eight million, one hundred thirty-seven thousand, two hundred fifty-seven".