144931349 has 4 divisors (see below), whose sum is σ = 151232736. Its totient is φ = 138629964.

The previous prime is 144931337. The next prime is 144931361. The reversal of 144931349 is 943139441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (144931337) and next prime (144931361).

It is a cyclic number.

It is not a de Polignac number, because 144931349 - 2⁴ = 144931333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144931399) 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 3 ways as a sum of consecutive naturals, for example, 3150659 + ... + 3150704.

It is an arithmetic number, because the mean of its divisors is an integer number (37808184).

Almost surely, 2^144931349 is an apocalyptic number.

It is an amenable number.

144931349 is a deficient number, since it is larger than the sum of its proper divisors (6301387).

144931349 is an equidigital number, since it uses as much as digits as its factorization.

144931349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301386.

The product of its digits is 46656, while the sum is 38.

The square root of 144931349 is about 12038.7436636885. The cubic root of 144931349 is about 525.2758628825.

The spelling of 144931349 in words is "one hundred forty-four million, nine hundred thirty-one thousand, three hundred forty-nine".