144202023 has 48 divisors (see below), whose sum is σ = 244408320. Its totient is φ = 80232768.

The previous prime is 144202021. The next prime is 144202067. The reversal of 144202023 is 320202441.

It is not a de Polignac number, because 144202023 - 2¹ = 144202021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144201987 and 144202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144202021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535933 + ... + 536201.

It is an arithmetic number, because the mean of its divisors is an integer number (5091840).

Almost surely, 2^144202023 is an apocalyptic number.

144202023 is a deficient number, since it is larger than the sum of its proper divisors (100206297).

144202023 is a wasteful number, since it uses less digits than its factorization.

144202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144202023 is about 12008.4146747187. The cubic root of 144202023 is about 524.3932800623.

Adding to 144202023 its reverse (320202441), we get a palindrome (464404464).

The spelling of 144202023 in words is "one hundred forty-four million, two hundred two thousand, twenty-three".