144533825 has 12 divisors (see below), whose sum is σ = 185402940. Its totient is φ = 111639360.

The previous prime is 144533821. The next prime is 144533833. The reversal of 144533825 is 528335441.

It can be written as a sum of positive squares in 6 ways, for example, as 6635776 + 137898049 = 2576^2 + 11743^2 .

It is not a de Polignac number, because 144533825 - 2² = 144533821 is a prime.

It is a super-3 number, since 3×144533825³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144533821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98954 + ... + 100403.

It is an arithmetic number, because the mean of its divisors is an integer number (15450245).

Almost surely, 2^144533825 is an apocalyptic number.

It is an amenable number.

144533825 is a deficient number, since it is larger than the sum of its proper divisors (40869115).

144533825 is a wasteful number, since it uses less digits than its factorization.

144533825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199396 (or 199391 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 144533825 is about 12022.2221323680. Note that the first 3 decimals coincide. The cubic root of 144533825 is about 524.7951733105.

The spelling of 144533825 in words is "one hundred forty-four million, five hundred thirty-three thousand, eight hundred twenty-five".