156030320 has 40 divisors (see below), whose sum is σ = 366528624. Its totient is φ = 61765632.

The previous prime is 156030319. The next prime is 156030323. The reversal of 156030320 is 23030651.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 156030292 and 156030301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156030323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294 + ... + 17813.

Almost surely, 2^156030320 is an apocalyptic number.

156030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156030320 is an abundant number, since it is smaller than the sum of its proper divisors (210498304).

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

156030320 is a wasteful number, since it uses less digits than its factorization.

156030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20217 (or 20211 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 156030320 is about 12491.2097092315. The cubic root of 156030320 is about 538.3561348056.

Adding to 156030320 its reverse (23030651), we get a palindrome (179060971).

The spelling of 156030320 in words is "one hundred fifty-six million, thirty thousand, three hundred twenty".