144386994 has 16 divisors (see below), whose sum is σ = 295817760. Its totient is φ = 46955040.

The previous prime is 144386989. The next prime is 144387007. The reversal of 144386994 is 499683441.

It is a happy number.

144386994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293224 + ... + 293715.

It is an arithmetic number, because the mean of its divisors is an integer number (18488610).

Almost surely, 2^144386994 is an apocalyptic number.

144386994 is an abundant number, since it is smaller than the sum of its proper divisors (151430766).

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

144386994 is a wasteful number, since it uses less digits than its factorization.

144386994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586985.

The product of its digits is 746496, while the sum is 48.

The square root of 144386994 is about 12016.1139308846. The cubic root of 144386994 is about 524.6174010636.

The spelling of 144386994 in words is "one hundred forty-four million, three hundred eighty-six thousand, nine hundred ninety-four".