156221246043 has 12 divisors (see below), whose sum is σ = 231751638768. Its totient is φ = 101332699920.

The previous prime is 156221245951. The next prime is 156221246087. The reversal of 156221246043 is 340642122651.

156221246043 is a `hidden beast` number, since 1 + 5 + 6 + 2 + 21 + 24 + 604 + 3 = 666.

It is not a de Polignac number, because 156221246043 - 2¹⁸ = 156220983899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156221245989 and 156221246007.

It is not an unprimeable number, because it can be changed into a prime (156221246143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234566103 + ... + 234566768.

It is an arithmetic number, because the mean of its divisors is an integer number (19312636564).

Almost surely, 2^156221246043 is an apocalyptic number.

156221246043 is a deficient number, since it is larger than the sum of its proper divisors (75530392725).

156221246043 is a wasteful number, since it uses less digits than its factorization.

156221246043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469132914 (or 469132911 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 156221246043 its reverse (340642122651), we get a palindrome (496863368694).

The spelling of 156221246043 in words is "one hundred fifty-six billion, two hundred twenty-one million, two hundred forty-six thousand, forty-three".