144641992 has 16 divisors (see below), whose sum is σ = 295858800. Its totient is φ = 65746320.

The previous prime is 144641989. The next prime is 144641993. The reversal of 144641992 is 299146441.

144641992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144641993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821742 + ... + 821917.

It is an arithmetic number, because the mean of its divisors is an integer number (18491175).

Almost surely, 2^144641992 is an apocalyptic number.

It is an amenable number.

144641992 is an abundant number, since it is smaller than the sum of its proper divisors (151216808).

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

144641992 is a wasteful number, since it uses less digits than its factorization.

144641992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643676 (or 1643672 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 144641992 is about 12026.7199185813. The cubic root of 144641992 is about 524.9260570086.

The spelling of 144641992 in words is "one hundred forty-four million, six hundred forty-one thousand, nine hundred ninety-two".