144153738 has 12 divisors (see below), whose sum is σ = 312333138. Its totient is φ = 48051240.

The previous prime is 144153733. The next prime is 144153743. The reversal of 144153738 is 837351441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144153733) and next prime (144153743).

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 11512449 = 11517^2 + 3393^2 .

It is not an unprimeable number, because it can be changed into a prime (144153731) 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, 4004253 + ... + 4004288.

Almost surely, 2^144153738 is an apocalyptic number.

144153738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144153738 is an abundant number, since it is smaller than the sum of its proper divisors (168179400).

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

144153738 is a wasteful number, since it uses less digits than its factorization.

144153738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008549 (or 8008546 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 144153738 is about 12006.4040411774. The cubic root of 144153738 is about 524.3347437680.

The spelling of 144153738 in words is "one hundred forty-four million, one hundred fifty-three thousand, seven hundred thirty-eight".