144019983 has 8 divisors (see below), whose sum is σ = 192597808. Its totient is φ = 95727744.

The previous prime is 144019979. The next prime is 144019987. The reversal of 144019983 is 389910441.

It is an interprime number because it is at equal distance from previous prime (144019979) and next prime (144019987).

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

It is not a de Polignac number, because 144019983 - 2² = 144019979 is a prime.

It is a super-3 number, since 3×144019983³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144019987) 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, 70216 + ... + 72237.

It is an arithmetic number, because the mean of its divisors is an integer number (24074726).

Almost surely, 2^144019983 is an apocalyptic number.

144019983 is a deficient number, since it is larger than the sum of its proper divisors (48577825).

144019983 is a wasteful number, since it uses less digits than its factorization.

144019983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142793.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 144019983 is about 12000.8325961160. The cubic root of 144019983 is about 524.1725232182.

The spelling of 144019983 in words is "one hundred forty-four million, nineteen thousand, nine hundred eighty-three".