144450649 has 32 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 110026752.

The previous prime is 144450641. The next prime is 144450659. The reversal of 144450649 is 946054441.

It is a cyclic number.

It is not a de Polignac number, because 144450649 - 2³ = 144450641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144450641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243297 + ... + 243889.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^144450649 is an apocalyptic number.

It is an amenable number.

144450649 is a deficient number, since it is larger than the sum of its proper divisors (40307111).

144450649 is a wasteful number, since it uses less digits than its factorization.

144450649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 144450649 is about 12018.7623738886. The cubic root of 144450649 is about 524.6944846786.

The spelling of 144450649 in words is "one hundred forty-four million, four hundred fifty thousand, six hundred forty-nine".