156378845 has 16 divisors (see below), whose sum is σ = 218841600. Its totient is φ = 107230032.

The previous prime is 156378793. The next prime is 156378847. The reversal of 156378845 is 548873651.

156378845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156378845 - 2¹⁰ = 156377821 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 156378845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156378847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43877 + ... + 47306.

It is an arithmetic number, because the mean of its divisors is an integer number (13677600).

Almost surely, 2^156378845 is an apocalyptic number.

It is an amenable number.

156378845 is a deficient number, since it is larger than the sum of its proper divisors (62462755).

156378845 is an frugal number, since it uses more digits than its factorization.

156378845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91209 (or 91195 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 156378845 is about 12505.1527379717. The cubic root of 156378845 is about 538.7566788398.

It can be divided in two parts, 1563 and 78845, that added together give a palindrome (80408).

The spelling of 156378845 in words is "one hundred fifty-six million, three hundred seventy-eight thousand, eight hundred forty-five".