1448840745 has 96 divisors (see below), whose sum is σ = 2799224064. Its totient is φ = 687398400.

The previous prime is 1448840719. The next prime is 1448840747. The reversal of 1448840745 is 5470488441.

It is not a de Polignac number, because 1448840745 - 2⁶ = 1448840681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1448840745.

It is not an unprimeable number, because it can be changed into a prime (1448840747) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8004555 + ... + 8004735.

It is an arithmetic number, because the mean of its divisors is an integer number (29158584).

Almost surely, 2^1448840745 is an apocalyptic number.

1448840745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1448840745 is a deficient number, since it is larger than the sum of its proper divisors (1350383319).

1448840745 is a wasteful number, since it uses less digits than its factorization.

1448840745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 1448840745 is about 38063.6407218227. The cubic root of 1448840745 is about 1131.5494824036.

The spelling of 1448840745 in words is "one billion, four hundred forty-eight million, eight hundred forty thousand, seven hundred forty-five".