156549480 has 128 divisors (see below), whose sum is σ = 492065280. Its totient is φ = 39802880.

The previous prime is 156549467. The next prime is 156549509. The reversal of 156549480 is 84945651.

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 31 ways as a sum of consecutive naturals, for example, 230902 + ... + 231578.

It is an arithmetic number, because the mean of its divisors is an integer number (3844260).

Almost surely, 2^156549480 is an apocalyptic number.

156549480 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 156549480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246032640).

156549480 is an abundant number, since it is smaller than the sum of its proper divisors (335515800).

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

156549480 is a wasteful number, since it uses less digits than its factorization.

156549480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 156549480 is about 12511.9734654450. The cubic root of 156549480 is about 538.9525649456.

The spelling of 156549480 in words is "one hundred fifty-six million, five hundred forty-nine thousand, four hundred eighty".