144765712 has 80 divisors (see below), whose sum is σ = 363448960. Its totient is φ = 54245376.

The previous prime is 144765697. The next prime is 144765743. The reversal of 144765712 is 217567441.

It is a super-2 number, since 2×144765712² = 41914222741733888, which contains 22 as substring.

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, 25048 + ... + 30280.

It is an arithmetic number, because the mean of its divisors is an integer number (4543112).

Almost surely, 2^144765712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144765712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181724480).

144765712 is an abundant number, since it is smaller than the sum of its proper divisors (218683248).

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

144765712 is a wasteful number, since it uses less digits than its factorization.

144765712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5274 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 144765712 is about 12031.8623662341. The cubic root of 144765712 is about 525.0756800953.

The spelling of 144765712 in words is "one hundred forty-four million, seven hundred sixty-five thousand, seven hundred twelve".