143428420508 has 6 divisors (see below), whose sum is σ = 250999735896. Its totient is φ = 71714210252.

The previous prime is 143428420507. The next prime is 143428420591. The reversal of 143428420508 is 805024824341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143428420507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17928552560 + ... + 17928552567.

It is an arithmetic number, because the mean of its divisors is an integer number (41833289316).

Almost surely, 2^143428420508 is an apocalyptic number.

It is an amenable number.

143428420508 is a deficient number, since it is larger than the sum of its proper divisors (107571315388).

143428420508 is a wasteful number, since it uses less digits than its factorization.

143428420508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35857105131 (or 35857105129 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 143428420508 in words is "one hundred forty-three billion, four hundred twenty-eight million, four hundred twenty thousand, five hundred eight".