156338183242 has 4 divisors (see below), whose sum is σ = 234507274866. Its totient is φ = 78169091620.

The previous prime is 156338183237. The next prime is 156338183311. The reversal of 156338183242 is 242381833651.

156338183242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121376288881 + 34961894361 = 348391^2 + 186981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156338183192 and 156338183201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39084545809 + ... + 39084545812.

Almost surely, 2^156338183242 is an apocalyptic number.

156338183242 is a deficient number, since it is larger than the sum of its proper divisors (78169091624).

156338183242 is an equidigital number, since it uses as much as digits as its factorization.

156338183242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78169091623.

The product of its digits is 829440, while the sum is 46.

The spelling of 156338183242 in words is "one hundred fifty-six billion, three hundred thirty-eight million, one hundred eighty-three thousand, two hundred forty-two".