1445648148 has 120 divisors (see below), whose sum is σ = 4362551424. Its totient is φ = 408888000.

The previous prime is 1445648131. The next prime is 1445648153. The reversal of 1445648148 is 8418465441.

1445648148 is a `hidden beast` number, since 1 + 4 + 4 + 564 + 81 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 225913 + ... + 232223.

Almost surely, 2^1445648148 is an apocalyptic number.

1445648148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445648148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181275712).

1445648148 is an abundant number, since it is smaller than the sum of its proper divisors (2916903276).

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

1445648148 is a wasteful number, since it uses less digits than its factorization.

1445648148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435 (or 6424 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 1445648148 is about 38021.6799734046. The cubic root of 1445648148 is about 1130.7177281768.

The spelling of 1445648148 in words is "one billion, four hundred forty-five million, six hundred forty-eight thousand, one hundred forty-eight".