144875544 has 32 divisors (see below), whose sum is σ = 395115840. Its totient is φ = 43901600.

The previous prime is 144875537. The next prime is 144875567. The reversal of 144875544 is 445578441.

It is a junction number, because it is equal to n+sod(n) for n = 144875496 and 144875505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274122 + ... + 274649.

It is an arithmetic number, because the mean of its divisors is an integer number (12347370).

Almost surely, 2^144875544 is an apocalyptic number.

It is an amenable number.

144875544 is an abundant number, since it is smaller than the sum of its proper divisors (250240296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144875544 is a wasteful number, since it uses less digits than its factorization.

144875544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548791 (or 548787 counting only the distinct ones).

The product of its digits is 358400, while the sum is 42.

The square root of 144875544 is about 12036.4257153027. The cubic root of 144875544 is about 525.2084360564.

The spelling of 144875544 in words is "one hundred forty-four million, eight hundred seventy-five thousand, five hundred forty-four".