1446661345 has 16 divisors (see below), whose sum is σ = 1801036800. Its totient is φ = 1114344000.

The previous prime is 1446661319. The next prime is 1446661357. The reversal of 1446661345 is 5431666441.

It is a happy number.

It is not a de Polignac number, because 1446661345 - 2⁷ = 1446661217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1446661298 and 1446661307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7395 + ... + 54295.

It is an arithmetic number, because the mean of its divisors is an integer number (112564800).

Almost surely, 2^1446661345 is an apocalyptic number.

It is an amenable number.

1446661345 is a deficient number, since it is larger than the sum of its proper divisors (354375455).

1446661345 is a wasteful number, since it uses less digits than its factorization.

1446661345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47136.

The product of its digits is 207360, while the sum is 40.

The square root of 1446661345 is about 38035.0015774944. The cubic root of 1446661345 is about 1130.9818247740.

The spelling of 1446661345 in words is "one billion, four hundred forty-six million, six hundred sixty-one thousand, three hundred forty-five".