144212301157 has 18 divisors (see below), whose sum is σ = 149467350578. Its totient is φ = 139040329824.

The previous prime is 144212301119. The next prime is 144212301179. The reversal of 144212301157 is 751103212441.

It can be written as a sum of positive squares in 3 ways, for example, as 4837758916 + 139374542241 = 69554^2 + 373329^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144212301157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144212301257) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 344181894 + ... + 344182312.

Almost surely, 2^144212301157 is an apocalyptic number.

It is an amenable number.

144212301157 is a deficient number, since it is larger than the sum of its proper divisors (5255049421).

144212301157 is an frugal number, since it uses more digits than its factorization.

144212301157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 144212301157 its reverse (751103212441), we get a palindrome (895315513598).

The spelling of 144212301157 in words is "one hundred forty-four billion, two hundred twelve million, three hundred one thousand, one hundred fifty-seven".