156381608 has 24 divisors (see below), whose sum is σ = 302994090. Its totient is φ = 75664800.

The previous prime is 156381607. The next prime is 156381611. The reversal of 156381608 is 806183651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125933284 + 30448324 = 11222^2 + 5518^2 .

It is not an unprimeable number, because it can be changed into a prime (156381607) 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 5 ways as a sum of consecutive naturals, for example, 2483 + ... + 17858.

Almost surely, 2^156381608 is an apocalyptic number.

It is an amenable number.

156381608 is a deficient number, since it is larger than the sum of its proper divisors (146612482).

156381608 is a wasteful number, since it uses less digits than its factorization.

156381608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409 (or 20374 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 156381608 is about 12505.2632119440. The cubic root of 156381608 is about 538.7598518519.

The spelling of 156381608 in words is "one hundred fifty-six million, three hundred eighty-one thousand, six hundred eight".