144354331 has 6 divisors (see below), whose sum is σ = 158670596. Its totient is φ = 131231100.

The previous prime is 144354319. The next prime is 144354377. The reversal of 144354331 is 133453441.

It is not a de Polignac number, because 144354331 - 2¹¹ = 144352283 is a prime.

It is a super-2 number, since 2×144354331² = 41676345756915122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144354331.

It is not an unprimeable number, because it can be changed into a prime (144354391) 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 5 ways as a sum of consecutive naturals, for example, 596385 + ... + 596626.

Almost surely, 2^144354331 is an apocalyptic number.

144354331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144354331 is a deficient number, since it is larger than the sum of its proper divisors (14316265).

144354331 is a wasteful number, since it uses less digits than its factorization.

144354331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193033 (or 1193022 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 144354331 is about 12014.7547207590. The cubic root of 144354331 is about 524.5778387041.

The spelling of 144354331 in words is "one hundred forty-four million, three hundred fifty-four thousand, three hundred thirty-one".