144403257147 has 8 divisors (see below), whose sum is σ = 195801026880. Its totient is φ = 94637162760.

The previous prime is 144403257137. The next prime is 144403257239. The reversal of 144403257147 is 741752304441.

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

It is not a de Polignac number, because 144403257147 - 2¹⁵ = 144403224379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144403257099 and 144403257108.

It is not an unprimeable number, because it can be changed into a prime (144403257127) 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, 407918629 + ... + 407918982.

It is an arithmetic number, because the mean of its divisors is an integer number (24475128360).

Almost surely, 2^144403257147 is an apocalyptic number.

144403257147 is a deficient number, since it is larger than the sum of its proper divisors (51397769733).

144403257147 is an equidigital number, since it uses as much as digits as its factorization.

144403257147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815837673.

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 144403257147 in words is "one hundred forty-four billion, four hundred three million, two hundred fifty-seven thousand, one hundred forty-seven".