144423031 has 8 divisors (see below), whose sum is σ = 146434464. Its totient is φ = 142423200.

The previous prime is 144423029. The next prime is 144423043. The reversal of 144423031 is 130324441.

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 144423031 - 2¹ = 144423029 is a prime.

It is a super-2 number, since 2×144423031² = 41716023766453922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144422993 and 144423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23845 + ... + 29281.

It is an arithmetic number, because the mean of its divisors is an integer number (18304308).

Almost surely, 2^144423031 is an apocalyptic number.

144423031 is a deficient number, since it is larger than the sum of its proper divisors (2011433).

144423031 is a wasteful number, since it uses less digits than its factorization.

144423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 144423031 is about 12017.6133653900. The cubic root of 144423031 is about 524.6610431861.

Adding to 144423031 its reverse (130324441), we get a palindrome (274747472).

The spelling of 144423031 in words is "one hundred forty-four million, four hundred twenty-three thousand, thirty-one".