1445395632 has 60 divisors (see below), whose sum is σ = 3829478856. Its totient is φ = 469498880.

The previous prime is 1445395631. The next prime is 1445395643. The reversal of 1445395632 is 2365935441.

1445395632 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1445395631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686148 + ... + 1687004.

Almost surely, 2^1445395632 is an apocalyptic number.

1445395632 is a gapful number since it is divisible by the number (12) 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 1445395632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914739428).

1445395632 is an abundant number, since it is smaller than the sum of its proper divisors (2384083224).

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

1445395632 is an frugal number, since it uses more digits than its factorization.

1445395632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 903 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 1445395632 is about 38018.3591439715. The cubic root of 1445395632 is about 1130.6518889788.

The spelling of 1445395632 in words is "one billion, four hundred forty-five million, three hundred ninety-five thousand, six hundred thirty-two".