143437161542 has 16 divisors (see below), whose sum is σ = 215439360000. Its totient is φ = 71624104200.

The previous prime is 143437161523. The next prime is 143437161557. The reversal of 143437161542 is 245161734341.

It is a super-2 number, since 2×143437161542² (a number of 23 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 143437161542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099417 + ... + 5127467.

It is an arithmetic number, because the mean of its divisors is an integer number (13464960000).

Almost surely, 2^143437161542 is an apocalyptic number.

143437161542 is a deficient number, since it is larger than the sum of its proper divisors (72002198458).

143437161542 is a wasteful number, since it uses less digits than its factorization.

143437161542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31331.

The product of its digits is 241920, while the sum is 41.

Adding to 143437161542 its reverse (245161734341), we get a palindrome (388598895883).

The spelling of 143437161542 in words is "one hundred forty-three billion, four hundred thirty-seven million, one hundred sixty-one thousand, five hundred forty-two".