144400132 has 12 divisors (see below), whose sum is σ = 256162396. Its totient is φ = 71210880.

The previous prime is 144400127. The next prime is 144400177. The reversal of 144400132 is 231004441.

It can be written as a sum of positive squares in 2 ways, for example, as 83466496 + 60933636 = 9136^2 + 7806^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 246969 + ... + 247552.

Almost surely, 2^144400132 is an apocalyptic number.

It is an amenable number.

144400132 is a deficient number, since it is larger than the sum of its proper divisors (111762264).

144400132 is a wasteful number, since it uses less digits than its factorization.

144400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494598 (or 494596 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144400132 is about 12016.6606010156. The cubic root of 144400132 is about 524.6333125022.

Adding to 144400132 its reverse (231004441), we get a palindrome (375404573).

The spelling of 144400132 in words is "one hundred forty-four million, four hundred thousand, one hundred thirty-two".