144153681 has 8 divisors (see below), whose sum is σ = 219662784. Its totient is φ = 82373520.

The previous prime is 144153679. The next prime is 144153707. The reversal of 144153681 is 186351441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144153681 - 2¹ = 144153679 is a prime.

It is a super-2 number, since 2×144153681² = 41560567491699522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144153601) 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 7 ways as a sum of consecutive naturals, for example, 3432210 + ... + 3432251.

It is an arithmetic number, because the mean of its divisors is an integer number (27457848).

Almost surely, 2^144153681 is an apocalyptic number.

It is an amenable number.

144153681 is a deficient number, since it is larger than the sum of its proper divisors (75509103).

144153681 is an equidigital number, since it uses as much as digits as its factorization.

144153681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864471.

The product of its digits is 11520, while the sum is 33.

The square root of 144153681 is about 12006.4016674439. The cubic root of 144153681 is about 524.3346746588.

The spelling of 144153681 in words is "one hundred forty-four million, one hundred fifty-three thousand, six hundred eighty-one".