144645832 has 16 divisors (see below), whose sum is σ = 272071260. Its totient is φ = 72093504.

The previous prime is 144645829. The next prime is 144645857. The reversal of 144645832 is 238546441.

144645832 is digitally balanced in base 2, 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 2 ways, for example, as 106626276 + 38019556 = 10326^2 + 6166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144645791 and 144645800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25983 + ... + 31054.

Almost surely, 2^144645832 is an apocalyptic number.

It is an amenable number.

144645832 is a deficient number, since it is larger than the sum of its proper divisors (127425428).

144645832 is a wasteful number, since it uses less digits than its factorization.

144645832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57360 (or 57356 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 144645832 is about 12026.8795620477. The cubic root of 144645832 is about 524.9307022669.

It can be divided in two parts, 1446 and 45832, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 144645832 in words is "one hundred forty-four million, six hundred forty-five thousand, eight hundred thirty-two".