1445857848 has 48 divisors (see below), whose sum is σ = 3917791800. Its totient is φ = 481715520.

The previous prime is 1445857841. The next prime is 1445857867. The reversal of 1445857848 is 8487585441.

1445857848 is a `hidden beast` number, since 14 + 4 + 58 + 578 + 4 + 8 = 666.

It is a super-2 number, since 2×1445857848² = 4181009833246382208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445857794 and 1445857803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445857841) 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 11 ways as a sum of consecutive naturals, for example, 202483 + ... + 209501.

Almost surely, 2^1445857848 is an apocalyptic number.

1445857848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1445857848 is an abundant number, since it is smaller than the sum of its proper divisors (2471933952).

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

1445857848 is a wasteful number, since it uses less digits than its factorization.

1445857848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892 (or 9885 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 54.

The square root of 1445857848 is about 38024.4375106326. The cubic root of 1445857848 is about 1130.7723980133.

The spelling of 1445857848 in words is "one billion, four hundred forty-five million, eight hundred fifty-seven thousand, eight hundred forty-eight".