144939548 has 12 divisors (see below), whose sum is σ = 273155400. Its totient is φ = 66895152.

The previous prime is 144939547. The next prime is 144939611. The reversal of 144939548 is 845939441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144939547) 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, 1393598 + ... + 1393701.

It is an arithmetic number, because the mean of its divisors is an integer number (22762950).

Almost surely, 2^144939548 is an apocalyptic number.

It is an amenable number.

144939548 is a deficient number, since it is larger than the sum of its proper divisors (128215852).

144939548 is a wasteful number, since it uses less digits than its factorization.

144939548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787316 (or 2787314 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 144939548 is about 12039.0841844386. The cubic root of 144939548 is about 525.2857679298.

The spelling of 144939548 in words is "one hundred forty-four million, nine hundred thirty-nine thousand, five hundred forty-eight".