144070720 has 112 divisors (see below), whose sum is σ = 358444800. Its totient is φ = 55111680.

The previous prime is 144070697. The next prime is 144070721. The reversal of 144070720 is 27070441.

It is a super-2 number, since 2×144070720² = 41512744722636800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144070721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036411 + ... + 1036549.

It is an arithmetic number, because the mean of its divisors is an integer number (3200400).

Almost surely, 2^144070720 is an apocalyptic number.

144070720 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 144070720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179222400).

144070720 is an abundant number, since it is smaller than the sum of its proper divisors (214374080).

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

144070720 is a wasteful number, since it uses less digits than its factorization.

144070720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 144070720 is about 12002.9463049703. The cubic root of 144070720 is about 524.2340698135.

The spelling of 144070720 in words is "one hundred forty-four million, seventy thousand, seven hundred twenty".