144556143 has 4 divisors (see below), whose sum is σ = 192741528. Its totient is φ = 96370760.

The previous prime is 144556141. The next prime is 144556147. The reversal of 144556143 is 341655441.

144556143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341655441 = 3 ⋅113885147.

It is a cyclic number.

It is not a de Polignac number, because 144556143 - 2¹ = 144556141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144556141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24092688 + ... + 24092693.

It is an arithmetic number, because the mean of its divisors is an integer number (48185382).

Almost surely, 2^144556143 is an apocalyptic number.

144556143 is a deficient number, since it is larger than the sum of its proper divisors (48185385).

144556143 is an equidigital number, since it uses as much as digits as its factorization.

144556143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48185384.

The product of its digits is 28800, while the sum is 33.

The square root of 144556143 is about 12023.1502943280. The cubic root of 144556143 is about 524.8221837718.

The spelling of 144556143 in words is "one hundred forty-four million, five hundred fifty-six thousand, one hundred forty-three".