143563420157 has 4 divisors (see below), whose sum is σ = 145380678720. Its totient is φ = 141746161596.

The previous prime is 143563420141. The next prime is 143563420183. The reversal of 143563420157 is 751024365341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143563420157 - 2⁴ = 143563420141 is a prime.

It is a super-2 number, since 2×143563420157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143563420057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908629163 + ... + 908629320.

It is an arithmetic number, because the mean of its divisors is an integer number (36345169680).

Almost surely, 2^143563420157 is an apocalyptic number.

It is an amenable number.

143563420157 is a deficient number, since it is larger than the sum of its proper divisors (1817258563).

143563420157 is an equidigital number, since it uses as much as digits as its factorization.

143563420157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817258562.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 143563420157 its reverse (751024365341), we get a palindrome (894587785498).

The spelling of 143563420157 in words is "one hundred forty-three billion, five hundred sixty-three million, four hundred twenty thousand, one hundred fifty-seven".