144562668 has 24 divisors (see below), whose sum is σ = 337550640. Its totient is φ = 48153600.

The previous prime is 144562657. The next prime is 144562673. The reversal of 144562668 is 866265441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18268 + ... + 24956.

It is an arithmetic number, because the mean of its divisors is an integer number (14064610).

Almost surely, 2^144562668 is an apocalyptic number.

It is an amenable number.

144562668 is an abundant number, since it is smaller than the sum of its proper divisors (192987972).

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

144562668 is a wasteful number, since it uses less digits than its factorization.

144562668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497 (or 8495 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 144562668 is about 12023.4216427771. The cubic root of 144562668 is about 524.8300801576.

The spelling of 144562668 in words is "one hundred forty-four million, five hundred sixty-two thousand, six hundred sixty-eight".