1448137788 has 12 divisors (see below), whose sum is σ = 3378988200. Its totient is φ = 482712592.

The previous prime is 1448137781. The next prime is 1448137807. The reversal of 1448137788 is 8877318441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1448137788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448137781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60339063 + ... + 60339086.

It is an arithmetic number, because the mean of its divisors is an integer number (281582350).

Almost surely, 2^1448137788 is an apocalyptic number.

It is an amenable number.

1448137788 is an abundant number, since it is smaller than the sum of its proper divisors (1930850412).

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

1448137788 is a wasteful number, since it uses less digits than its factorization.

1448137788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120678156 (or 120678154 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 51.

The square root of 1448137788 is about 38054.4056319370. The cubic root of 1448137788 is about 1131.3664488735.

The spelling of 1448137788 in words is "one billion, four hundred forty-eight million, one hundred thirty-seven thousand, seven hundred eighty-eight".