144503047 has 8 divisors (see below), whose sum is σ = 155738016. Its totient is φ = 133285152.

The previous prime is 144503039. The next prime is 144503057. The reversal of 144503047 is 740305441.

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

It is not a de Polignac number, because 144503047 - 2³ = 144503039 is a prime.

It is a super-2 number, since 2×144503047² = 41762261184568418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144503057) 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, 17433 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (19467252).

Almost surely, 2^144503047 is an apocalyptic number.

144503047 is a deficient number, since it is larger than the sum of its proper divisors (11234969).

144503047 is a wasteful number, since it uses less digits than its factorization.

144503047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 144503047 is about 12020.9420179951. The cubic root of 144503047 is about 524.7579195338.

Adding to 144503047 its reverse (740305441), we get a palindrome (884808488).

The spelling of 144503047 in words is "one hundred forty-four million, five hundred three thousand, forty-seven".