144696947 has 2 divisors, whose sum is σ = 144696948. Its totient is φ = 144696946.

The previous prime is 144696919. The next prime is 144697039. The reversal of 144696947 is 749696441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144696947 - 2¹⁰ = 144695923 is a prime.

It is a super-2 number, since 2×144696947² = 41874412942241618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144696895 and 144696904.

It is not a weakly prime, because it can be changed into another prime (144696917) 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, 72348473 + 72348474.

It is an arithmetic number, because the mean of its divisors is an integer number (72348474).

Almost surely, 2^144696947 is an apocalyptic number.

144696947 is a deficient number, since it is larger than the sum of its proper divisors (1).

144696947 is an equidigital number, since it uses as much as digits as its factorization.

144696947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 144696947 is about 12029.0044060180. The cubic root of 144696947 is about 524.9925283895.

The spelling of 144696947 in words is "one hundred forty-four million, six hundred ninety-six thousand, nine hundred forty-seven".