144480780 has 48 divisors (see below), whose sum is σ = 449497440. Its totient is φ = 38528064.

The previous prime is 144480767. The next prime is 144480781. The reversal of 144480780 is 87084441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144480781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133239 + ... + 134318.

It is an arithmetic number, because the mean of its divisors is an integer number (9364530).

Almost surely, 2^144480780 is an apocalyptic number.

144480780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144480780 is an abundant number, since it is smaller than the sum of its proper divisors (305016660).

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

144480780 is a wasteful number, since it uses less digits than its factorization.

144480780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267575 (or 267567 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 144480780 is about 12020.0158069780. The cubic root of 144480780 is about 524.7309641972.

The spelling of 144480780 in words is "one hundred forty-four million, four hundred eighty thousand, seven hundred eighty".