144727432 has 32 divisors (see below), whose sum is σ = 276202080. Its totient is φ = 71084160.

The previous prime is 144727423. The next prime is 144727459. The reversal of 144727432 is 234727441.

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, 139588 + ... + 140620.

It is an arithmetic number, because the mean of its divisors is an integer number (8631315).

Almost surely, 2^144727432 is an apocalyptic number.

It is an amenable number.

144727432 is a deficient number, since it is larger than the sum of its proper divisors (131474648).

144727432 is a wasteful number, since it uses less digits than its factorization.

144727432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1329 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 144727432 is about 12030.2714848835. The cubic root of 144727432 is about 525.0293945749.

Subtracting 144727432 from its reverse (234727441), we obtain a palindrome (90000009).

It can be divided in two parts, 14472 and 7432, that added together give a square (21904 = 148²).

The spelling of 144727432 in words is "one hundred forty-four million, seven hundred twenty-seven thousand, four hundred thirty-two".