144243212 has 48 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 64848960.

The previous prime is 144243179. The next prime is 144243241. The reversal of 144243212 is 212342441.

It is a super-2 number, since 2×144243212² = 41612208416153888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312662 + ... + 313122.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^144243212 is an apocalyptic number.

It is an amenable number.

144243212 is a deficient number, since it is larger than the sum of its proper divisors (135174388).

144243212 is a wasteful number, since it uses less digits than its factorization.

144243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 144243212 is about 12010.1295580023. The cubic root of 144243212 is about 524.4432034920.

Adding to 144243212 its reverse (212342441), we get a palindrome (356585653).

The spelling of 144243212 in words is "one hundred forty-four million, two hundred forty-three thousand, two hundred twelve".