144194664 has 16 divisors (see below), whose sum is σ = 360486720. Its totient is φ = 48064880.

The previous prime is 144194651. The next prime is 144194689. The reversal of 144194664 is 466491441.

It is a happy number.

It is a super-2 number, since 2×144194664² = 41584202252145792, which contains 22 as substring.

It is an unprimeable number.

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, 3004032 + ... + 3004079.

It is an arithmetic number, because the mean of its divisors is an integer number (22530420).

Almost surely, 2^144194664 is an apocalyptic number.

It is an amenable number.

144194664 is an abundant number, since it is smaller than the sum of its proper divisors (216292056).

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

144194664 is a wasteful number, since it uses less digits than its factorization.

144194664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008120 (or 6008116 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 144194664 is about 12008.1082606712. The cubic root of 144194664 is about 524.3843595314.

The spelling of 144194664 in words is "one hundred forty-four million, one hundred ninety-four thousand, six hundred sixty-four".