144971747 has 2 divisors, whose sum is σ = 144971748. Its totient is φ = 144971746.

The previous prime is 144971741. The next prime is 144971753. The reversal of 144971747 is 747179441.

It is a balanced prime because it is at equal distance from previous prime (144971741) and next prime (144971753).

It is a cyclic number.

It is not a de Polignac number, because 144971747 - 2⁶ = 144971683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144971698 and 144971707.

It is not a weakly prime, because it can be changed into another prime (144971741) 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, 72485873 + 72485874.

It is an arithmetic number, because the mean of its divisors is an integer number (72485874).

Almost surely, 2^144971747 is an apocalyptic number.

144971747 is a deficient number, since it is larger than the sum of its proper divisors (1).

144971747 is an equidigital number, since it uses as much as digits as its factorization.

144971747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 144971747 is about 12040.4213796694. The cubic root of 144971747 is about 525.3246632816.

The spelling of 144971747 in words is "one hundred forty-four million, nine hundred seventy-one thousand, seven hundred forty-seven".