1446556945 has 8 divisors (see below), whose sum is σ = 1837978344. Its totient is φ = 1089172224.

The previous prime is 1446556939. The next prime is 1446556949. The reversal of 1446556945 is 5496556441.

It can be written as a sum of positive squares in 4 ways, for example, as 228826129 + 1217730816 = 15127^2 + 34896^2 .

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-1446556945 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1446556949) 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, 8509074 + ... + 8509243.

It is an arithmetic number, because the mean of its divisors is an integer number (229747293).

Almost surely, 2^1446556945 is an apocalyptic number.

It is an amenable number.

1446556945 is a deficient number, since it is larger than the sum of its proper divisors (391421399).

1446556945 is a wasteful number, since it uses less digits than its factorization.

1446556945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018339.

The product of its digits is 2592000, while the sum is 49.

The square root of 1446556945 is about 38033.6291326505. The cubic root of 1446556945 is about 1130.9546179129.

The spelling of 1446556945 in words is "one billion, four hundred forty-six million, five hundred fifty-six thousand, nine hundred forty-five".