144670856 has 16 divisors (see below), whose sum is σ = 295917840. Its totient is φ = 65759440.

The previous prime is 144670847. The next prime is 144670859. The reversal of 144670856 is 658076441.

It is not an unprimeable number, because it can be changed into a prime (144670859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821906 + ... + 822081.

It is an arithmetic number, because the mean of its divisors is an integer number (18494865).

Almost surely, 2^144670856 is an apocalyptic number.

It is an amenable number.

144670856 is an abundant number, since it is smaller than the sum of its proper divisors (151246984).

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

144670856 is a wasteful number, since it uses less digits than its factorization.

144670856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644004 (or 1644000 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 144670856 is about 12027.9198534077. The cubic root of 144670856 is about 524.9609718531.

The spelling of 144670856 in words is "one hundred forty-four million, six hundred seventy thousand, eight hundred fifty-six".