144490830 has 64 divisors (see below), whose sum is σ = 394771968. Its totient is φ = 33503360.

The previous prime is 144490781. The next prime is 144490849. The reversal of 144490830 is 38094441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144490791 and 144490800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1929 + ... + 17108.

It is an arithmetic number, because the mean of its divisors is an integer number (6168312).

Almost surely, 2^144490830 is an apocalyptic number.

144490830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144490830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197385984).

144490830 is an abundant number, since it is smaller than the sum of its proper divisors (250281138).

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

144490830 is a wasteful number, since it uses less digits than its factorization.

144490830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19081.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 144490830 is about 12020.4338524032. The cubic root of 144490830 is about 524.7431305765.

The spelling of 144490830 in words is "one hundred forty-four million, four hundred ninety thousand, eight hundred thirty".