144925121 has 8 divisors (see below), whose sum is σ = 158196288. Its totient is φ = 131670000.

The previous prime is 144925117. The next prime is 144925147. The reversal of 144925121 is 121529441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144925121 - 2² = 144925117 is a prime.

It is a super-3 number, since 3×144925121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144925171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22571 + ... + 28271.

It is an arithmetic number, because the mean of its divisors is an integer number (19774536).

Almost surely, 2^144925121 is an apocalyptic number.

144925121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144925121 is a deficient number, since it is larger than the sum of its proper divisors (13271167).

144925121 is a wasteful number, since it uses less digits than its factorization.

144925121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023.

The product of its digits is 2880, while the sum is 29.

The square root of 144925121 is about 12038.4849960450. The cubic root of 144925121 is about 525.2683387111.

The spelling of 144925121 in words is "one hundred forty-four million, nine hundred twenty-five thousand, one hundred twenty-one".