144231156 has 36 divisors (see below), whose sum is σ = 372345792. Its totient is φ = 47053584.

The previous prime is 144231151. The next prime is 144231163. The reversal of 144231156 is 651132441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×144231156² = 41605252722192672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231151) 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 11 ways as a sum of consecutive naturals, for example, 40930 + ... + 44313.

Almost surely, 2^144231156 is an apocalyptic number.

It is an amenable number.

144231156 is an abundant number, since it is smaller than the sum of its proper divisors (228114636).

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

144231156 is a wasteful number, since it uses less digits than its factorization.

144231156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85300 (or 85295 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 144231156 is about 12009.6276378579. The cubic root of 144231156 is about 524.4285919126.

Adding to 144231156 its reverse (651132441), we get a palindrome (795363597).

The spelling of 144231156 in words is "one hundred forty-four million, two hundred thirty-one thousand, one hundred fifty-six".