156438146 has 16 divisors (see below), whose sum is σ = 245090880. Its totient is φ = 74813040.

The previous prime is 156438133. The next prime is 156438169. The reversal of 156438146 is 641834651.

156438146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 13550 + ... + 22281.

It is an arithmetic number, because the mean of its divisors is an integer number (15318180).

Almost surely, 2^156438146 is an apocalyptic number.

156438146 is a deficient number, since it is larger than the sum of its proper divisors (88652734).

156438146 is a wasteful number, since it uses less digits than its factorization.

156438146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35929.

The product of its digits is 69120, while the sum is 38.

The square root of 156438146 is about 12507.5235758323. The cubic root of 156438146 is about 538.8247715373.

The spelling of 156438146 in words is "one hundred fifty-six million, four hundred thirty-eight thousand, one hundred forty-six".