144349971 has 16 divisors (see below), whose sum is σ = 198602880. Its totient is φ = 93199680.

The previous prime is 144349967. The next prime is 144349979. The reversal of 144349971 is 179943441.

It is not a de Polignac number, because 144349971 - 2² = 144349967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144349979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12876 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (12412680).

Almost surely, 2^144349971 is an apocalyptic number.

144349971 is a deficient number, since it is larger than the sum of its proper divisors (54252909).

144349971 is a wasteful number, since it uses less digits than its factorization.

144349971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626.

The product of its digits is 108864, while the sum is 42.

The square root of 144349971 is about 12014.5732758180. The cubic root of 144349971 is about 524.5725572960.

The spelling of 144349971 in words is "one hundred forty-four million, three hundred forty-nine thousand, nine hundred seventy-one".