144582961 has 2 divisors, whose sum is σ = 144582962. Its totient is φ = 144582960.

The previous prime is 144582947. The next prime is 144582979. The reversal of 144582961 is 169285441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94965025 + 49617936 = 9745^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 144582961 - 2¹¹ = 144580913 is a prime.

It is a super-2 number, since 2×144582961² = 41808465223055042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144583961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72291480 + 72291481.

It is an arithmetic number, because the mean of its divisors is an integer number (72291481).

Almost surely, 2^144582961 is an apocalyptic number.

It is an amenable number.

144582961 is a deficient number, since it is larger than the sum of its proper divisors (1).

144582961 is an equidigital number, since it uses as much as digits as its factorization.

144582961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 144582961 is about 12024.2655077140. The cubic root of 144582961 is about 524.8546367015.

The spelling of 144582961 in words is "one hundred forty-four million, five hundred eighty-two thousand, nine hundred sixty-one".