144929620 has 48 divisors (see below), whose sum is σ = 336063168. Its totient is φ = 52060160.

The previous prime is 144929527. The next prime is 144929627. The reversal of 144929620 is 26929441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144929620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144929627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14292 + ... + 22228.

It is an arithmetic number, because the mean of its divisors is an integer number (7001316).

Almost surely, 2^144929620 is an apocalyptic number.

144929620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144929620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168031584).

144929620 is an abundant number, since it is smaller than the sum of its proper divisors (191133548).

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

144929620 is a wasteful number, since it uses less digits than its factorization.

144929620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040 (or 8038 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 144929620 is about 12038.6718536556. The cubic root of 144929620 is about 525.2737740646.

The spelling of 144929620 in words is "one hundred forty-four million, nine hundred twenty-nine thousand, six hundred twenty".