1445050840 has 32 divisors (see below), whose sum is σ = 3261649680. Its totient is φ = 576191872.

The previous prime is 1445050829. The next prime is 1445050843. The reversal of 1445050840 is 480505441.

It is a super-3 number, since 3×1445050840³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445050843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44302 + ... + 69661.

Almost surely, 2^1445050840 is an apocalyptic number.

1445050840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445050840 is an abundant number, since it is smaller than the sum of its proper divisors (1816598840).

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

1445050840 is a wasteful number, since it uses less digits than its factorization.

1445050840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114291 (or 114287 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 1445050840 is about 38013.8243274733. The cubic root of 1445050840 is about 1130.5619780184.

The spelling of 1445050840 in words is "one billion, four hundred forty-five million, fifty thousand, eight hundred forty".