144312019 has 2 divisors, whose sum is σ = 144312020. Its totient is φ = 144312018.

The previous prime is 144312001. The next prime is 144312061. The reversal of 144312019 is 910213441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144312019 - 2⁷ = 144311891 is a prime.

It is a super-2 number, since 2×144312019² = 41651917655712722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144311984 and 144312002.

It is not a weakly prime, because it can be changed into another prime (144312079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72156009 + 72156010.

It is an arithmetic number, because the mean of its divisors is an integer number (72156010).

Almost surely, 2^144312019 is an apocalyptic number.

144312019 is a deficient number, since it is larger than the sum of its proper divisors (1).

144312019 is an equidigital number, since it uses as much as digits as its factorization.

144312019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 144312019 is about 12012.9937567619. The cubic root of 144312019 is about 524.5265803264.

The spelling of 144312019 in words is "one hundred forty-four million, three hundred twelve thousand, nineteen".