144150521 has 4 divisors (see below), whose sum is σ = 144188544. Its totient is φ = 144112500.

The previous prime is 144150509. The next prime is 144150571. The reversal of 144150521 is 125051441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125051441 = 389 ⋅321469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144150521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144150571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12605 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (36047136).

Almost surely, 2^144150521 is an apocalyptic number.

It is an amenable number.

144150521 is a deficient number, since it is larger than the sum of its proper divisors (38023).

144150521 is an equidigital number, since it uses as much as digits as its factorization.

144150521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38022.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 144150521 is about 12006.2700702591. The cubic root of 144150521 is about 524.3308433086.

The spelling of 144150521 in words is "one hundred forty-four million, one hundred fifty thousand, five hundred twenty-one".