144947097 has 8 divisors (see below), whose sum is σ = 214736480. Its totient is φ = 96631380.

The previous prime is 144947087. The next prime is 144947113. The reversal of 144947097 is 790749441.

144947097 is a `hidden beast` number, since 1 + 4 + 494 + 70 + 97 = 666.

It is not a de Polignac number, because 144947097 - 2⁷ = 144946969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144947027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684179 + ... + 2684232.

It is an arithmetic number, because the mean of its divisors is an integer number (26842060).

Almost surely, 2^144947097 is an apocalyptic number.

It is an amenable number.

144947097 is a deficient number, since it is larger than the sum of its proper divisors (69789383).

144947097 is an equidigital number, since it uses as much as digits as its factorization.

144947097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368420 (or 5368414 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 144947097 is about 12039.3977008819. The cubic root of 144947097 is about 525.2948873948.

The spelling of 144947097 in words is "one hundred forty-four million, nine hundred forty-seven thousand, ninety-seven".