144657032 has 48 divisors (see below), whose sum is σ = 308358540. Its totient is φ = 63234432.

The previous prime is 144657001. The next prime is 144657043. The reversal of 144657032 is 230756441.

It can be written as a sum of positive squares in 2 ways, for example, as 141467236 + 3189796 = 11894^2 + 1786^2 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 144657032.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35618 + ... + 39470.

Almost surely, 2^144657032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144657032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154179270).

144657032 is an abundant number, since it is smaller than the sum of its proper divisors (163701508).

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

144657032 is a wasteful number, since it uses less digits than its factorization.

144657032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 144657032 is about 12027.3451767213. The cubic root of 144657032 is about 524.9442504672.

The spelling of 144657032 in words is "one hundred forty-four million, six hundred fifty-seven thousand, thirty-two".