142235141530 has 8 divisors (see below), whose sum is σ = 256023254772. Its totient is φ = 56894056608.

The previous prime is 142235141519. The next prime is 142235141551. The reversal of 142235141530 is 35141532241.

It can be written as a sum of positive squares in 2 ways, for example, as 142098087681 + 137053849 = 376959^2 + 11707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142235141492 and 142235141501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7111757067 + ... + 7111757086.

Almost surely, 2^142235141530 is an apocalyptic number.

142235141530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142235141530 is a deficient number, since it is larger than the sum of its proper divisors (113788113242).

142235141530 is a wasteful number, since it uses less digits than its factorization.

142235141530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223514160.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 142235141530 its reverse (35141532241), we get a palindrome (177376673771).

The spelling of 142235141530 in words is "one hundred forty-two billion, two hundred thirty-five million, one hundred forty-one thousand, five hundred thirty".