144628031 has 2 divisors, whose sum is σ = 144628032. Its totient is φ = 144628030.

The previous prime is 144628013. The next prime is 144628087. The reversal of 144628031 is 130826441.

Together with previous prime (144628013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144628031 is a prime.

It is a super-2 number, since 2×144628031² = 41834534701873922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144627985 and 144628003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144628091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72314015 + 72314016.

It is an arithmetic number, because the mean of its divisors is an integer number (72314016).

Almost surely, 2^144628031 is an apocalyptic number.

144628031 is a deficient number, since it is larger than the sum of its proper divisors (1).

144628031 is an equidigital number, since it uses as much as digits as its factorization.

144628031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 144628031 is about 12026.1394886306. The cubic root of 144628031 is about 524.9091676568.

The spelling of 144628031 in words is "one hundred forty-four million, six hundred twenty-eight thousand, thirty-one".