144398994 has 8 divisors (see below), whose sum is σ = 288798000. Its totient is φ = 48132996.

The previous prime is 144398987. The next prime is 144399011. The reversal of 144398994 is 499893441.

It is a happy number.

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

144398994 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12033244 + ... + 12033255.

It is an arithmetic number, because the mean of its divisors is an integer number (36099750).

Almost surely, 2^144398994 is an apocalyptic number.

144398994 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.

144398994 is a wasteful number, since it uses less digits than its factorization.

144398994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066504.

The product of its digits is 1119744, while the sum is 51.

The square root of 144398994 is about 12016.6132499969. The cubic root of 144398994 is about 524.6319343080.

The spelling of 144398994 in words is "one hundred forty-four million, three hundred ninety-eight thousand, nine hundred ninety-four".