142730205234 has 16 divisors (see below), whose sum is σ = 285637404672. Its totient is φ = 47547236048.

The previous prime is 142730205229. The next prime is 142730205269. The reversal of 142730205234 is 432502037241.

It is a super-2 number, since 2×142730205234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142730205195 and 142730205204.

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, 7364274 + ... + 7383629.

It is an arithmetic number, because the mean of its divisors is an integer number (17852337792).

Almost surely, 2^142730205234 is an apocalyptic number.

142730205234 is an abundant number, since it is smaller than the sum of its proper divisors (142907199438).

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

142730205234 is a wasteful number, since it uses less digits than its factorization.

142730205234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14749521.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 142730205234 in words is "one hundred forty-two billion, seven hundred thirty million, two hundred five thousand, two hundred thirty-four".