144556780 has 48 divisors (see below), whose sum is σ = 330142176. Its totient is φ = 52945920.

The previous prime is 144556777. The next prime is 144556799. The reversal of 144556780 is 87655441.

144556780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6835 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (6877962).

Almost surely, 2^144556780 is an apocalyptic number.

144556780 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 144556780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165071088).

144556780 is an abundant number, since it is smaller than the sum of its proper divisors (185585396).

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

144556780 is a wasteful number, since it uses less digits than its factorization.

144556780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11554 (or 11552 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 144556780 is about 12023.1767848601. The cubic root of 144556780 is about 524.8229546632.

The spelling of 144556780 in words is "one hundred forty-four million, five hundred fifty-six thousand, seven hundred eighty".