144270973 has 16 divisors (see below), whose sum is σ = 187693056. Its totient is φ = 107529840.

The previous prime is 144270953. The next prime is 144270979. The reversal of 144270973 is 379072441.

It is not a de Polignac number, because 144270973 - 2⁵ = 144270941 is a prime.

It is a super-2 number, since 2×144270973² = 41628227300733458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144270979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38961 + ... + 42502.

It is an arithmetic number, because the mean of its divisors is an integer number (11730816).

Almost surely, 2^144270973 is an apocalyptic number.

It is an amenable number.

144270973 is a deficient number, since it is larger than the sum of its proper divisors (43422083).

144270973 is a wasteful number, since it uses less digits than its factorization.

144270973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81504.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 144270973 is about 12011.2852351445. The cubic root of 144270973 is about 524.4768460545.

The spelling of 144270973 in words is "one hundred forty-four million, two hundred seventy thousand, nine hundred seventy-three".