144576664 has 32 divisors (see below), whose sum is σ = 278277120. Its totient is φ = 70380576.

The previous prime is 144576659. The next prime is 144576667. The reversal of 144576664 is 466675441.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 144576664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144576667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167097 + ... + 167959.

It is an arithmetic number, because the mean of its divisors is an integer number (8696160).

Almost surely, 2^144576664 is an apocalyptic number.

It is an amenable number.

144576664 is a deficient number, since it is larger than the sum of its proper divisors (133700456).

144576664 is a wasteful number, since it uses less digits than its factorization.

144576664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1395 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 144576664 is about 12024.0036593474. The cubic root of 144576664 is about 524.8470169525.

The spelling of 144576664 in words is "one hundred forty-four million, five hundred seventy-six thousand, six hundred sixty-four".