144311442013402 has 8 divisors (see below), whose sum is σ = 220015805037012. Its totient is φ = 70972840334400.

The previous prime is 144311442013399. The next prime is 144311442013513. The reversal of 144311442013402 is 204310244113441.

It can be written as a sum of positive squares in 2 ways, for example, as 143211458475801 + 1099983537601 = 11967099^2 + 1048801^2 .

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

It is a super-2 number, since 2×144311442013402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591440335999 + ... + 591440336242.

Almost surely, 2^{144311442013402} is an apocalyptic number.

144311442013402 is a deficient number, since it is larger than the sum of its proper divisors (75704363023610).

144311442013402 is a wasteful number, since it uses less digits than its factorization.

144311442013402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182880672304.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 144311442013402 its reverse (204310244113441), we get a palindrome (348621686126843).

The spelling of 144311442013402 in words is "one hundred forty-four trillion, three hundred eleven billion, four hundred forty-two million, thirteen thousand, four hundred two".