144485186 has 12 divisors (see below), whose sum is σ = 219216102. Its totient is φ = 71414976.

The previous prime is 144485183. The next prime is 144485219. The reversal of 144485186 is 681584441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 18619225 = 11219^2 + 4315^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144485183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166991 + ... + 167853.

Almost surely, 2^144485186 is an apocalyptic number.

144485186 is a deficient number, since it is larger than the sum of its proper divisors (74730916).

144485186 is an frugal number, since it uses more digits than its factorization.

144485186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 962 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 144485186 is about 12020.1990832099. The cubic root of 144485186 is about 524.7362981042.

The spelling of 144485186 in words is "one hundred forty-four million, four hundred eighty-five thousand, one hundred eighty-six".