144220190 has 32 divisors (see below), whose sum is σ = 273132000. Its totient is φ = 54748288.

The previous prime is 144220171. The next prime is 144220199. The reversal of 144220190 is 91022441.

It is a super-2 number, since 2×144220190² = 41598926407272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144220199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12896 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (8535375).

Almost surely, 2^144220190 is an apocalyptic number.

144220190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144220190 is a deficient number, since it is larger than the sum of its proper divisors (128911810).

144220190 is a wasteful number, since it uses less digits than its factorization.

144220190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8524.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 144220190 is about 12009.1710788047. The cubic root of 144220190 is about 524.4153006796.

The spelling of 144220190 in words is "one hundred forty-four million, two hundred twenty thousand, one hundred ninety".