156104220 has 192 divisors, whose sum is σ = 487710720. Its totient is φ = 37171200.

The previous prime is 156104219. The next prime is 156104231. The reversal of 156104220 is 22401651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1753936 + ... + 1754024.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^156104220 is an apocalyptic number.

156104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156104220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243855360).

156104220 is an abundant number, since it is smaller than the sum of its proper divisors (331606500).

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

156104220 is a wasteful number, since it uses less digits than its factorization.

156104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 156104220 is about 12494.1674392494. The cubic root of 156104220 is about 538.4411145262.

Adding to 156104220 its reverse (22401651), we get a palindrome (178505871).

The spelling of 156104220 in words is "one hundred fifty-six million, one hundred four thousand, two hundred twenty".