1472320945 has 4 divisors (see below), whose sum is σ = 1766785140. Its totient is φ = 1177856752.

The previous prime is 1472320939. The next prime is 1472320951. The reversal of 1472320945 is 5490232741.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1472320939) and next prime (1472320951).

It can be written as a sum of positive squares in 2 ways, for example, as 930921121 + 541399824 = 30511^2 + 23268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472320945 - 2⁹ = 1472320433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147232090 + ... + 147232099.

It is an arithmetic number, because the mean of its divisors is an integer number (441696285).

Almost surely, 2^1472320945 is an apocalyptic number.

It is an amenable number.

1472320945 is a deficient number, since it is larger than the sum of its proper divisors (294464195).

1472320945 is an equidigital number, since it uses as much as digits as its factorization.

1472320945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294464194.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1472320945 is about 38370.8345622036. The cubic root of 1472320945 is about 1137.6294602886.

The spelling of 1472320945 in words is "one billion, four hundred seventy-two million, three hundred twenty thousand, nine hundred forty-five".