156355645 has 8 divisors (see below), whose sum is σ = 189735480. Its totient is φ = 123678720.

The previous prime is 156355621. The next prime is 156355657. The reversal of 156355645 is 546553651.

156355645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13935289 + 142420356 = 3733^2 + 11934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156355645 - 2¹⁵ = 156322877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156355598 and 156355607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175236 + ... + 176125.

It is an arithmetic number, because the mean of its divisors is an integer number (23716935).

Almost surely, 2^156355645 is an apocalyptic number.

It is an amenable number.

156355645 is a deficient number, since it is larger than the sum of its proper divisors (33379835).

156355645 is an equidigital number, since it uses as much as digits as its factorization.

156355645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351455.

The product of its digits is 270000, while the sum is 40.

The square root of 156355645 is about 12504.2250859459. The cubic root of 156355645 is about 538.7300346281.

The spelling of 156355645 in words is "one hundred fifty-six million, three hundred fifty-five thousand, six hundred forty-five".