144428712 has 16 divisors (see below), whose sum is σ = 361071840. Its totient is φ = 48142896.

The previous prime is 144428699. The next prime is 144428737. The reversal of 144428712 is 217824441.

144428712 is digitally balanced in base 2 and base 3, because in such bases 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 3 ways as a sum of consecutive naturals, for example, 3008908 + ... + 3008955.

It is an arithmetic number, because the mean of its divisors is an integer number (22566990).

Almost surely, 2^144428712 is an apocalyptic number.

144428712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144428712 is an abundant number, since it is smaller than the sum of its proper divisors (216643128).

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

144428712 is a wasteful number, since it uses less digits than its factorization.

144428712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017872 (or 6017868 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 144428712 is about 12017.8497244723. The cubic root of 144428712 is about 524.6679224220.

The spelling of 144428712 in words is "one hundred forty-four million, four hundred twenty-eight thousand, seven hundred twelve".