144161747 has 2 divisors, whose sum is σ = 144161748. Its totient is φ = 144161746.

The previous prime is 144161681. The next prime is 144161789. The reversal of 144161747 is 747161441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144161747 - 2¹⁸ = 143899603 is a prime.

It is not a weakly prime, because it can be changed into another prime (144161047) 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, 72080873 + 72080874.

It is an arithmetic number, because the mean of its divisors is an integer number (72080874).

Almost surely, 2^144161747 is an apocalyptic number.

144161747 is a deficient number, since it is larger than the sum of its proper divisors (1).

144161747 is an equidigital number, since it uses as much as digits as its factorization.

144161747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 144161747 is about 12006.7375668830. The cubic root of 144161747 is about 524.3444540474.

The spelling of 144161747 in words is "one hundred forty-four million, one hundred sixty-one thousand, seven hundred forty-seven".