144890632 has 8 divisors (see below), whose sum is σ = 271669950. Its totient is φ = 72445312.

The previous prime is 144890611. The next prime is 144890651. The reversal of 144890632 is 236098441.

144890632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136282276 + 8608356 = 11674^2 + 2934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144890591 and 144890600.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9055657 + ... + 9055672.

Almost surely, 2^144890632 is an apocalyptic number.

It is an amenable number.

144890632 is a deficient number, since it is larger than the sum of its proper divisors (126779318).

144890632 is a wasteful number, since it uses less digits than its factorization.

144890632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111335 (or 18111331 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 144890632 is about 12037.0524631240. The cubic root of 144890632 is about 525.2266679576.

The spelling of 144890632 in words is "one hundred forty-four million, eight hundred ninety thousand, six hundred thirty-two".