144555072 has 28 divisors (see below), whose sum is σ = 382469136. Its totient is φ = 48184960.

The previous prime is 144555049. The next prime is 144555091. The reversal of 144555072 is 270555441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376254 + ... + 376637.

It is an arithmetic number, because the mean of its divisors is an integer number (13659612).

Almost surely, 2^144555072 is an apocalyptic number.

144555072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144555072 is an abundant number, since it is smaller than the sum of its proper divisors (237914064).

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

144555072 is an equidigital number, since it uses as much as digits as its factorization.

144555072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752906 (or 752896 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 144555072 is about 12023.1057551699. The cubic root of 144555072 is about 524.8208876527.

The spelling of 144555072 in words is "one hundred forty-four million, five hundred fifty-five thousand, seventy-two".