156000000 has 252 divisors, whose sum is σ = 558899096. Its totient is φ = 38400000.

The previous prime is 155999999. The next prime is 156000011. The reversal of 156000000 is 651.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 156000000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11999994 + ... + 12000006.

Almost surely, 2^156000000 is an apocalyptic number.

156000000 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 156000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279449548).

156000000 is an abundant number, since it is smaller than the sum of its proper divisors (402899096).

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

156000000 is an frugal number, since it uses more digits than its factorization.

156000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 156000000 is about 12489.9959967968. The cubic root of 156000000 is about 538.3212612087.

Adding to 156000000 its reverse (651), we get a palindrome (156000651).

The spelling of 156000000 in words is "one hundred fifty-six million", and thus it is an aban number.