156969854 has 8 divisors (see below), whose sum is σ = 239445720. Its totient is φ = 77154616.

The previous prime is 156969851. The next prime is 156969859. The reversal of 156969854 is 458969651.

It is a happy number.

156969854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 156969796 and 156969805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156969851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665009 + ... + 665244.

It is an arithmetic number, because the mean of its divisors is an integer number (29930715).

Almost surely, 2^156969854 is an apocalyptic number.

156969854 is a deficient number, since it is larger than the sum of its proper divisors (82475866).

156969854 is a wasteful number, since it uses less digits than its factorization.

156969854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330314.

The product of its digits is 2332800, while the sum is 53.

The square root of 156969854 is about 12528.7610720294. The cubic root of 156969854 is about 539.4345406895.

The spelling of 156969854 in words is "one hundred fifty-six million, nine hundred sixty-nine thousand, eight hundred fifty-four".