140224144221145 has 16 divisors (see below), whose sum is σ = 168339905041680. Its totient is φ = 112132031791104.

The previous prime is 140224144221121. The next prime is 140224144221163. The reversal of 140224144221145 is 541122441422041.

It can be written as a sum of positive squares in 8 ways, for example, as 4739642493184 + 135484501727961 = 2177072^2 + 11639781^2 .

It is a cyclic number.

It is not a de Polignac number, because 140224144221145 - 2⁵ = 140224144221113 is a prime.

It is a super-2 number, since 2×140224144221145² (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 15 ways as a sum of consecutive naturals, for example, 265569561 + ... + 266097049.

It is an arithmetic number, because the mean of its divisors is an integer number (10521244065105).

Almost surely, 2^{140224144221145} is an apocalyptic number.

It is an amenable number.

140224144221145 is a deficient number, since it is larger than the sum of its proper divisors (28115760820535).

140224144221145 is a wasteful number, since it uses less digits than its factorization.

140224144221145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549804.

The product of its (nonzero) digits is 81920, while the sum is 37.

Adding to 140224144221145 its reverse (541122441422041), we get a palindrome (681346585643186).

The spelling of 140224144221145 in words is "one hundred forty trillion, two hundred twenty-four billion, one hundred forty-four million, two hundred twenty-one thousand, one hundred forty-five".