156205812 has 48 divisors (see below), whose sum is σ = 418084352. Its totient is φ = 44465760.

The previous prime is 156205801. The next prime is 156205813. The reversal of 156205812 is 218502651.

156205812 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156205812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156205813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20487 + ... + 27057.

Almost surely, 2^156205812 is an apocalyptic number.

156205812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156205812 is an abundant number, since it is smaller than the sum of its proper divisors (261878540).

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

156205812 is a wasteful number, since it uses less digits than its factorization.

156205812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 6866 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 156205812 is about 12498.2323550172. The cubic root of 156205812 is about 538.5578943022.

The spelling of 156205812 in words is "one hundred fifty-six million, two hundred five thousand, eight hundred twelve".