144146406 has 32 divisors (see below), whose sum is σ = 302214528. Its totient is φ = 45783360.

The previous prime is 144146393. The next prime is 144146419. The reversal of 144146406 is 604641441.

It is an interprime number because it is at equal distance from previous prime (144146393) and next prime (144146419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765 + ... + 17391.

It is an arithmetic number, because the mean of its divisors is an integer number (9444204).

Almost surely, 2^144146406 is an apocalyptic number.

144146406 is an abundant number, since it is smaller than the sum of its proper divisors (158068122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144146406 is a wasteful number, since it uses less digits than its factorization.

144146406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 144146406 is about 12006.0987002440. The cubic root of 144146406 is about 524.3258539823.

Adding to 144146406 its reverse (604641441), we get a palindrome (748787847).

The spelling of 144146406 in words is "one hundred forty-four million, one hundred forty-six thousand, four hundred six".