1445840032 has 48 divisors (see below), whose sum is σ = 3503388672. Its totient is φ = 571979520.

The previous prime is 1445840023. The next prime is 1445840047. The reversal of 1445840032 is 2300485441.

It is a super-2 number, since 2×1445840032² = 4180906796267522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445839976 and 1445840003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 245344 + ... + 251167.

It is an arithmetic number, because the mean of its divisors is an integer number (72987264).

Almost surely, 2^1445840032 is an apocalyptic number.

It is an amenable number.

1445840032 is an abundant number, since it is smaller than the sum of its proper divisors (2057548640).

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

1445840032 is a wasteful number, since it uses less digits than its factorization.

1445840032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496541 (or 496533 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1445840032 is about 38024.2032395157. The cubic root of 1445840032 is about 1130.7677534987.

The spelling of 1445840032 in words is "one billion, four hundred forty-five million, eight hundred forty thousand, thirty-two".