144975873 has 32 divisors (see below), whose sum is σ = 225921024. Its totient is φ = 80986752.

The previous prime is 144975869. The next prime is 144975907. The reversal of 144975873 is 378579441.

It is a happy number.

It is not a de Polignac number, because 144975873 - 2² = 144975869 is a prime.

It is a super-2 number, since 2×144975873² = 42036007504224258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144975673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234661 + ... + 235277.

It is an arithmetic number, because the mean of its divisors is an integer number (7060032).

Almost surely, 2^144975873 is an apocalyptic number.

It is an amenable number.

144975873 is a deficient number, since it is larger than the sum of its proper divisors (80945151).

144975873 is a wasteful number, since it uses less digits than its factorization.

144975873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 846720, while the sum is 48.

The square root of 144975873 is about 12040.5927179687. The cubic root of 144975873 is about 525.3296469400.

The spelling of 144975873 in words is "one hundred forty-four million, nine hundred seventy-five thousand, eight hundred seventy-three".