144212240402 has 16 divisors (see below), whose sum is σ = 216947021760. Its totient is φ = 71896745712.

The previous prime is 144212240357. The next prime is 144212240413. The reversal of 144212240402 is 204042212441.

It is a happy number.

It is a super-2 number, since 2×144212240402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609763 + ... + 1696985.

It is an arithmetic number, because the mean of its divisors is an integer number (13559188860).

Almost surely, 2^144212240402 is an apocalyptic number.

144212240402 is a deficient number, since it is larger than the sum of its proper divisors (72734781358).

144212240402 is a wasteful number, since it uses less digits than its factorization.

144212240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89617.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 144212240402 its reverse (204042212441), we get a palindrome (348254452843).

The spelling of 144212240402 in words is "one hundred forty-four billion, two hundred twelve million, two hundred forty thousand, four hundred two".