144380194 has 16 divisors (see below), whose sum is σ = 247681728. Its totient is φ = 61834032.

The previous prime is 144380189. The next prime is 144380219. The reversal of 144380194 is 491083441.

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, 25009 + ... + 30235.

It is an arithmetic number, because the mean of its divisors is an integer number (15480108).

Almost surely, 2^144380194 is an apocalyptic number.

144380194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144380194 is a deficient number, since it is larger than the sum of its proper divisors (103301534).

144380194 is a wasteful number, since it uses less digits than its factorization.

144380194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 144380194 is about 12015.8309741774. The cubic root of 144380194 is about 524.6091652010.

The spelling of 144380194 in words is "one hundred forty-four million, three hundred eighty thousand, one hundred ninety-four".