144417380 has 24 divisors (see below), whose sum is σ = 321117048. Its totient is φ = 54368768.

The previous prime is 144417373. The next prime is 144417389. The reversal of 144417380 is 83714441.

It can be written as a sum of positive squares in 4 ways, for example, as 49900096 + 94517284 = 7064^2 + 9722^2 .

It is not an unprimeable number, because it can be changed into a prime (144417389) 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, 212039 + ... + 212718.

It is an arithmetic number, because the mean of its divisors is an integer number (13379877).

Almost surely, 2^144417380 is an apocalyptic number.

144417380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144417380 is an abundant number, since it is smaller than the sum of its proper divisors (176699668).

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

144417380 is a wasteful number, since it uses less digits than its factorization.

144417380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424783 (or 424781 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 144417380 is about 12017.3782498513. The cubic root of 144417380 is about 524.6542000988.

The spelling of 144417380 in words is "one hundred forty-four million, four hundred seventeen thousand, three hundred eighty".