144316643 has 8 divisors (see below), whose sum is σ = 147840000. Its totient is φ = 140800968.

The previous prime is 144316633. The next prime is 144316657. The reversal of 144316643 is 346613441.

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

It is a cyclic number.

It is not a de Polignac number, because 144316643 - 2¹⁸ = 144054499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144316603) 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, 58958 + ... + 61356.

It is an arithmetic number, because the mean of its divisors is an integer number (18480000).

Almost surely, 2^144316643 is an apocalyptic number.

144316643 is a deficient number, since it is larger than the sum of its proper divisors (3523357).

144316643 is a wasteful number, since it uses less digits than its factorization.

144316643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its digits is 20736, while the sum is 32.

The square root of 144316643 is about 12013.1862134906. The cubic root of 144316643 is about 524.5321825047.

The spelling of 144316643 in words is "one hundred forty-four million, three hundred sixteen thousand, six hundred forty-three".