144251041331240 has 16 divisors (see below), whose sum is σ = 324564842995380. Its totient is φ = 57700416532480.

The previous prime is 144251041331233. The next prime is 144251041331297. The reversal of 144251041331240 is 42133140152441.

It can be written as a sum of positive squares in 2 ways, for example, as 122021494839556 + 22229546491684 = 11046334^2 + 4714822^2 .

It is a super-2 number, since 2×144251041331240² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144251041331240.

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, 1803138016601 + ... + 1803138016680.

Almost surely, 2^{144251041331240} is an apocalyptic number.

144251041331240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144251041331240 is an abundant number, since it is smaller than the sum of its proper divisors (180313801664140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144251041331240 is a wasteful number, since it uses less digits than its factorization.

144251041331240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606276033292 (or 3606276033288 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 144251041331240 its reverse (42133140152441), we get a palindrome (186384181483681).

The spelling of 144251041331240 in words is "one hundred forty-four trillion, two hundred fifty-one billion, forty-one million, three hundred thirty-one thousand, two hundred forty".