144020345 has 32 divisors (see below), whose sum is σ = 213124608. Its totient is φ = 91173888.

The previous prime is 144020321. The next prime is 144020369. The reversal of 144020345 is 543020441.

144020345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144020321) and next prime (144020369).

It is a cyclic number.

It is not a de Polignac number, because 144020345 - 2⁶ = 144020281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144020345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29252 + ... + 33818.

It is an arithmetic number, because the mean of its divisors is an integer number (6660144).

Almost surely, 2^144020345 is an apocalyptic number.

It is an amenable number.

144020345 is a deficient number, since it is larger than the sum of its proper divisors (69104263).

144020345 is a wasteful number, since it uses less digits than its factorization.

144020345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144020345 is about 12000.8476783934. The cubic root of 144020345 is about 524.1729623940.

Adding to 144020345 its reverse (543020441), we get a palindrome (687040786).

The spelling of 144020345 in words is "one hundred forty-four million, twenty thousand, three hundred forty-five".