1440016345 has 8 divisors (see below), whose sum is σ = 1749893760. Its totient is φ = 1137430320.

The previous prime is 1440016343. The next prime is 1440016381. The reversal of 1440016345 is 5436100441.

1440016345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1440016345 - 2¹ = 1440016343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440016343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822411 + ... + 1823200.

It is an arithmetic number, because the mean of its divisors is an integer number (218736720).

Almost surely, 2^1440016345 is an apocalyptic number.

It is an amenable number.

1440016345 is a deficient number, since it is larger than the sum of its proper divisors (309877415).

1440016345 is an equidigital number, since it uses as much as digits as its factorization.

1440016345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645695.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1440016345 is about 37947.5472856942. The cubic root of 1440016345 is about 1129.2475072060.

Adding to 1440016345 its reverse (5436100441), we get a palindrome (6876116786).

The spelling of 1440016345 in words is "one billion, four hundred forty million, sixteen thousand, three hundred forty-five".