144154081 has 2 divisors, whose sum is σ = 144154082. Its totient is φ = 144154080.

The previous prime is 144154079. The next prime is 144154091. The reversal of 144154081 is 180451441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 66977856 = 8785^2 + 8184^2 .

It is a cyclic number.

It is not a de Polignac number, because 144154081 - 2¹ = 144154079 is a prime.

It is a super-2 number, since 2×144154081² = 41560798137909122, which contains 22 as substring.

Together with 144154079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144154091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72077040 + 72077041.

It is an arithmetic number, because the mean of its divisors is an integer number (72077041).

Almost surely, 2^144154081 is an apocalyptic number.

It is an amenable number.

144154081 is a deficient number, since it is larger than the sum of its proper divisors (1).

144154081 is an equidigital number, since it uses as much as digits as its factorization.

144154081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 144154081 is about 12006.4183252126. The cubic root of 144154081 is about 524.3351596358.

It can be divided in two parts, 14415 and 4081, that added together give a square (18496 = 136²).

The spelling of 144154081 in words is "one hundred forty-four million, one hundred fifty-four thousand, eighty-one".