144552406 has 16 divisors (see below), whose sum is σ = 218937600. Its totient is φ = 71577000.

The previous prime is 144552389. The next prime is 144552409. The reversal of 144552406 is 604255441.

It is a happy number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144552409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99175 + ... + 100621.

It is an arithmetic number, because the mean of its divisors is an integer number (13683600).

Almost surely, 2^144552406 is an apocalyptic number.

144552406 is a deficient number, since it is larger than the sum of its proper divisors (74385194).

144552406 is a wasteful number, since it uses less digits than its factorization.

144552406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 144552406 is about 12022.9948848030. The cubic root of 144552406 is about 524.8176612443.

It can be divided in two parts, 14455 and 2406, that added together give a palindrome (16861).

The spelling of 144552406 in words is "one hundred forty-four million, five hundred fifty-two thousand, four hundred six".