144868992 has 32 divisors (see below), whose sum is σ = 384809280. Its totient is φ = 48289536.

The previous prime is 144868991. The next prime is 144869003. The reversal of 144868992 is 299868441.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (144868991) 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, 188248 + ... + 189015.

It is an arithmetic number, because the mean of its divisors is an integer number (12025290).

Almost surely, 2^144868992 is an apocalyptic number.

144868992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144868992 is an abundant number, since it is smaller than the sum of its proper divisors (239940288).

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

144868992 is an equidigital number, since it uses as much as digits as its factorization.

144868992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377280 (or 377268 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 144868992 is about 12036.1535384025. The cubic root of 144868992 is about 525.2005184156.

The spelling of 144868992 in words is "one hundred forty-four million, eight hundred sixty-eight thousand, nine hundred ninety-two".