144243012 has 24 divisors (see below), whose sum is σ = 340351200. Its totient is φ = 47540416.

The previous prime is 144243007. The next prime is 144243017. The reversal of 144243012 is 210342441.

It is an interprime number because it is at equal distance from previous prime (144243007) and next prime (144243017).

It is a self number, because there is not a number n which added to its sum of digits gives 144243012.

It is not an unprimeable number, because it can be changed into a prime (144243017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66462 + ... + 68597.

It is an arithmetic number, because the mean of its divisors is an integer number (14181300).

Almost surely, 2^144243012 is an apocalyptic number.

144243012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144243012 is an abundant number, since it is smaller than the sum of its proper divisors (196108188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144243012 is a wasteful number, since it uses less digits than its factorization.

144243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135155 (or 135153 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144243012 is about 12010.1212316945. The cubic root of 144243012 is about 524.4429611035.

Adding to 144243012 its reverse (210342441), we get a palindrome (354585453).

The spelling of 144243012 in words is "one hundred forty-four million, two hundred forty-three thousand, twelve".