143038374381 has 24 divisors (see below), whose sum is σ = 236174877120. Its totient is φ = 81719585856.

The previous prime is 143038374377. The next prime is 143038374467. The reversal of 143038374381 is 183473830341.

It is not a de Polignac number, because 143038374381 - 2² = 143038374377 is a prime.

It is a super-2 number, since 2×143038374381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143038374331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84586 + ... + 541508.

It is an arithmetic number, because the mean of its divisors is an integer number (9840619880).

Almost surely, 2^143038374381 is an apocalyptic number.

It is an amenable number.

143038374381 is a deficient number, since it is larger than the sum of its proper divisors (93136502739).

143038374381 is a wasteful number, since it uses less digits than its factorization.

143038374381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461905 (or 461902 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 143038374381 in words is "one hundred forty-three billion, thirty-eight million, three hundred seventy-four thousand, three hundred eighty-one".