144661807 has 2 divisors, whose sum is σ = 144661808. Its totient is φ = 144661806.

The previous prime is 144661793. The next prime is 144661813. The reversal of 144661807 is 708166441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144661807 - 2⁷ = 144661679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144661607) 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, 72330903 + 72330904.

It is an arithmetic number, because the mean of its divisors is an integer number (72330904).

Almost surely, 2^144661807 is an apocalyptic number.

144661807 is a deficient number, since it is larger than the sum of its proper divisors (1).

144661807 is an equidigital number, since it uses as much as digits as its factorization.

144661807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 144661807 is about 12027.5436810681. The cubic root of 144661807 is about 524.9500263846.

The spelling of 144661807 in words is "one hundred forty-four million, six hundred sixty-one thousand, eight hundred seven".