156249222238 has 4 divisors (see below), whose sum is σ = 234373833360. Its totient is φ = 78124611118.

The previous prime is 156249222203. The next prime is 156249222253. The reversal of 156249222238 is 832222942651.

156249222238 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 is a congruent number.

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, 39062305558 + ... + 39062305561.

It is an arithmetic number, because the mean of its divisors is an integer number (58593458340).

Almost surely, 2^156249222238 is an apocalyptic number.

156249222238 is a deficient number, since it is larger than the sum of its proper divisors (78124611122).

156249222238 is an equidigital number, since it uses as much as digits as its factorization.

156249222238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78124611121.

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

The spelling of 156249222238 in words is "one hundred fifty-six billion, two hundred forty-nine million, two hundred twenty-two thousand, two hundred thirty-eight".