190144406 has 16 divisors (see below), whose sum is σ = 296226720. Its totient is φ = 91460160.

The previous prime is 190144403. The next prime is 190144411. The reversal of 190144406 is 604441091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190144403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7850 + ... + 21021.

It is an arithmetic number, because the mean of its divisors is an integer number (18514170).

Almost surely, 2^190144406 is an apocalyptic number.

190144406 is a deficient number, since it is larger than the sum of its proper divisors (106082314).

190144406 is a wasteful number, since it uses less digits than its factorization.

190144406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28999.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 190144406 is about 13789.2859133459. The cubic root of 190144406 is about 575.0353157893.

Adding to 190144406 its reverse (604441091), we get a palindrome (794585497).

The spelling of 190144406 in words is "one hundred ninety million, one hundred forty-four thousand, four hundred six".