144425380 has 24 divisors (see below), whose sum is σ = 330865920. Its totient is φ = 52518240.

The previous prime is 144425377. The next prime is 144425383. The reversal of 144425380 is 83524441.

It is an interprime number because it is at equal distance from previous prime (144425377) and next prime (144425383).

It is not an unprimeable number, because it can be changed into a prime (144425383) 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, 328020 + ... + 328459.

It is an arithmetic number, because the mean of its divisors is an integer number (13786080).

Almost surely, 2^144425380 is an apocalyptic number.

144425380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144425380 is an abundant number, since it is smaller than the sum of its proper divisors (186440540).

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

144425380 is a wasteful number, since it uses less digits than its factorization.

144425380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656499 (or 656497 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 144425380 is about 12017.7110965441. The cubic root of 144425380 is about 524.6638876588.

It can be divided in two parts, 144 and 425380, that added together give a palindrome (425524).

The spelling of 144425380 in words is "one hundred forty-four million, four hundred twenty-five thousand, three hundred eighty".