144845994 has 8 divisors (see below), whose sum is σ = 289692000. Its totient is φ = 48281996.

The previous prime is 144845993. The next prime is 144846047. The reversal of 144845994 is 499548441.

It is a sphenic number, since it is the product of 3 distinct primes.

144845994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (144845993) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12070494 + ... + 12070505.

It is an arithmetic number, because the mean of its divisors is an integer number (36211500).

Almost surely, 2^144845994 is an apocalyptic number.

144845994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144845994 is a wasteful number, since it uses less digits than its factorization.

144845994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24141004.

The product of its digits is 829440, while the sum is 48.

The square root of 144845994 is about 12035.1981288220. The cubic root of 144845994 is about 525.1727250266.

The spelling of 144845994 in words is "one hundred forty-four million, eight hundred forty-five thousand, nine hundred ninety-four".