1445461243 has 8 divisors (see below), whose sum is σ = 1508925600. Its totient is φ = 1382048448.

The previous prime is 1445461229. The next prime is 1445461267. The reversal of 1445461243 is 3421645441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445461243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445461199 and 1445461208.

It is not an unprimeable number, because it can be changed into a prime (1445461643) 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, 51253 + ... + 74281.

It is an arithmetic number, because the mean of its divisors is an integer number (188615700).

Almost surely, 2^1445461243 is an apocalyptic number.

1445461243 is a deficient number, since it is larger than the sum of its proper divisors (63464357).

1445461243 is a wasteful number, since it uses less digits than its factorization.

1445461243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25781.

The product of its digits is 46080, while the sum is 34.

The square root of 1445461243 is about 38019.2220199204. Note that the first 3 decimals coincide. The cubic root of 1445461243 is about 1130.6689966544.

The spelling of 1445461243 in words is "one billion, four hundred forty-five million, four hundred sixty-one thousand, two hundred forty-three".