144873547 has 12 divisors (see below), whose sum is σ = 181490736. Its totient is φ = 114624720.

The previous prime is 144873529. The next prime is 144873551. The reversal of 144873547 is 745378441.

It is not a de Polignac number, because 144873547 - 2⁷ = 144873419 is a prime.

It is a super-2 number, since 2×144873547² = 41976689240722418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144873947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113079 + ... + 114352.

It is an arithmetic number, because the mean of its divisors is an integer number (15124228).

Almost surely, 2^144873547 is an apocalyptic number.

144873547 is a deficient number, since it is larger than the sum of its proper divisors (36617189).

144873547 is a wasteful number, since it uses less digits than its factorization.

144873547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227458 (or 227451 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 144873547 is about 12036.3427584960. The cubic root of 144873547 is about 525.2060228447.

The spelling of 144873547 in words is "one hundred forty-four million, eight hundred seventy-three thousand, five hundred forty-seven".