144154397 has 2 divisors, whose sum is σ = 144154398. Its totient is φ = 144154396.

The previous prime is 144154369. The next prime is 144154403. The reversal of 144154397 is 793451441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138556441 + 5597956 = 11771^2 + 2366^2 .

It is a cyclic number.

It is not a de Polignac number, because 144154397 - 2²⁰ = 143105821 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144154397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144154327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72077198 + 72077199.

It is an arithmetic number, because the mean of its divisors is an integer number (72077199).

Almost surely, 2^144154397 is an apocalyptic number.

It is an amenable number.

144154397 is a deficient number, since it is larger than the sum of its proper divisors (1).

144154397 is an equidigital number, since it uses as much as digits as its factorization.

144154397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 144154397 is about 12006.4314848335. The cubic root of 144154397 is about 524.3355427670.

The spelling of 144154397 in words is "one hundred forty-four million, one hundred fifty-four thousand, three hundred ninety-seven".