144556147 has 2 divisors, whose sum is σ = 144556148. Its totient is φ = 144556146.

The previous prime is 144556141. The next prime is 144556163. The reversal of 144556147 is 741655441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144556147 - 2⁷ = 144556019 is a prime.

It is not a weakly prime, because it can be changed into another prime (144556141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72278073 + 72278074.

It is an arithmetic number, because the mean of its divisors is an integer number (72278074).

Almost surely, 2^144556147 is an apocalyptic number.

144556147 is a deficient number, since it is larger than the sum of its proper divisors (1).

144556147 is an equidigital number, since it uses as much as digits as its factorization.

144556147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 144556147 is about 12023.1504606738. The cubic root of 144556147 is about 524.8221886126.

It can be divided in two parts, 14455 and 6147, that added together give a palindrome (20602).

The spelling of 144556147 in words is "one hundred forty-four million, five hundred fifty-six thousand, one hundred forty-seven".