156421146234 has 32 divisors (see below), whose sum is σ = 313663173120. Its totient is φ = 52003652400.

The previous prime is 156421146227. The next prime is 156421146331. The reversal of 156421146234 is 432641124651.

It is a junction number, because it is equal to n+sod(n) for n = 156421146192 and 156421146201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9186789 + ... + 9203799.

It is an arithmetic number, because the mean of its divisors is an integer number (9801974160).

Almost surely, 2^156421146234 is an apocalyptic number.

156421146234 is an abundant number, since it is smaller than the sum of its proper divisors (157242026886).

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

156421146234 is a wasteful number, since it uses less digits than its factorization.

156421146234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946.

The product of its digits is 138240, while the sum is 39.

The spelling of 156421146234 in words is "one hundred fifty-six billion, four hundred twenty-one million, one hundred forty-six thousand, two hundred thirty-four".