144446975 has 24 divisors (see below), whose sum is σ = 184154880. Its totient is φ = 112353120.

The previous prime is 144446971. The next prime is 144446989. The reversal of 144446975 is 579644441.

It is not a de Polignac number, because 144446975 - 2² = 144446971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144446971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138506 + ... + 139544.

It is an arithmetic number, because the mean of its divisors is an integer number (7673120).

Almost surely, 2^144446975 is an apocalyptic number.

144446975 is a deficient number, since it is larger than the sum of its proper divisors (39707905).

144446975 is a wasteful number, since it uses less digits than its factorization.

144446975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1194 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 144446975 is about 12018.6095285603. The cubic root of 144446975 is about 524.6900362300.

The spelling of 144446975 in words is "one hundred forty-four million, four hundred forty-six thousand, nine hundred seventy-five".