144065631 has 8 divisors (see below), whose sum is σ = 192216960. Its totient is φ = 95979032.

The previous prime is 144065557. The next prime is 144065641. The reversal of 144065631 is 136560441.

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

It is a cyclic number.

It is not a de Polignac number, because 144065631 - 2¹⁸ = 143803487 is a prime.

It is a super-2 number, since 2×144065631² = 41509812070856322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144065641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10725 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (24027120).

Almost surely, 2^144065631 is an apocalyptic number.

144065631 is a deficient number, since it is larger than the sum of its proper divisors (48151329).

144065631 is a wasteful number, since it uses less digits than its factorization.

144065631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32365.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 144065631 is about 12002.7343134804. The cubic root of 144065631 is about 524.2278972464.

The spelling of 144065631 in words is "one hundred forty-four million, sixty-five thousand, six hundred thirty-one".