143634440461252 has 48 divisors (see below), whose sum is σ = 276517417280832. Its totient is φ = 64882015320960.

The previous prime is 143634440461207. The next prime is 143634440461261. The reversal of 143634440461252 is 252164044436341.

143634440461252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143634440461196 and 143634440461205.

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, 155049999 + ... + 155973622.

It is an arithmetic number, because the mean of its divisors is an integer number (5760779526684).

Almost surely, 2^{143634440461252} is an apocalyptic number.

It is an amenable number.

143634440461252 is a deficient number, since it is larger than the sum of its proper divisors (132882976819580).

143634440461252 is a wasteful number, since it uses less digits than its factorization.

143634440461252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311023828 (or 311023826 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 49.

Adding to 143634440461252 its reverse (252164044436341), we get a palindrome (395798484897593).

The spelling of 143634440461252 in words is "one hundred forty-three trillion, six hundred thirty-four billion, four hundred forty million, four hundred sixty-one thousand, two hundred fifty-two".