144244971 has 24 divisors (see below), whose sum is σ = 226044000. Its totient is φ = 88108416.

The previous prime is 144244967. The next prime is 144244973. The reversal of 144244971 is 179442441.

144244971 is a `hidden beast` number, since 144 + 2 + 449 + 71 = 666.

It is not a de Polignac number, because 144244971 - 2² = 144244967 is a prime.

It is a super-2 number, since 2×144244971² = 41613223317581682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144244973) 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 23 ways as a sum of consecutive naturals, for example, 11530 + ... + 20528.

It is an arithmetic number, because the mean of its divisors is an integer number (9418500).

Almost surely, 2^144244971 is an apocalyptic number.

144244971 is a deficient number, since it is larger than the sum of its proper divisors (81799029).

144244971 is a wasteful number, since it uses less digits than its factorization.

144244971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155 (or 9152 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144244971 is about 12010.2027876302. The cubic root of 144244971 is about 524.4453352892.

The spelling of 144244971 in words is "one hundred forty-four million, two hundred forty-four thousand, nine hundred seventy-one".