156078 has 48 divisors (see below), whose sum is σ = 393120. Its totient is φ = 44352.

The previous prime is 156071. The next prime is 156089. The reversal of 156078 is 870651.

156078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156071) by changing a digit.

156078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5368 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

2¹⁵⁶⁰⁷⁸ is an apocalyptic number.

156078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196560).

156078 is an abundant number, since it is smaller than the sum of its proper divisors (237042).

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

156078 is a wasteful number, since it uses less digits than its factorization.

156078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 156078 is about 395.0670829112. The cubic root of 156078 is about 53.8410966470.

The spelling of 156078 in words is "one hundred fifty-six thousand, seventy-eight".