143421046542 has 24 divisors (see below), whose sum is σ = 310752585000. Its totient is φ = 47805941040.

The previous prime is 143421046529. The next prime is 143421046543. The reversal of 143421046542 is 245640124341.

143421046542 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 2 + 104 + 6 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 143421046497 and 143421046506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143421046543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1436692 + ... + 1533272.

It is an arithmetic number, because the mean of its divisors is an integer number (12948024375).

Almost surely, 2^143421046542 is an apocalyptic number.

143421046542 is an abundant number, since it is smaller than the sum of its proper divisors (167331538458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143421046542 is a wasteful number, since it uses less digits than its factorization.

143421046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179088 (or 179085 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 143421046542 in words is "one hundred forty-three billion, four hundred twenty-one million, forty-six thousand, five hundred forty-two".