156346120 has 64 divisors (see below), whose sum is σ = 411868800. Its totient is φ = 52293120.

The previous prime is 156346109. The next prime is 156346121. The reversal of 156346120 is 21643651.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (156346121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4671 + ... + 18289.

It is an arithmetic number, because the mean of its divisors is an integer number (6435450).

Almost surely, 2^156346120 is an apocalyptic number.

156346120 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 156346120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205934400).

156346120 is an abundant number, since it is smaller than the sum of its proper divisors (255522680).

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

156346120 is a wasteful number, since it uses less digits than its factorization.

156346120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678 (or 13674 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 156346120 is about 12503.8442088823. The cubic root of 156346120 is about 538.7190948083.

Adding to 156346120 its reverse (21643651), we get a palindrome (177989771).

The spelling of 156346120 in words is "one hundred fifty-six million, three hundred forty-six thousand, one hundred twenty".