156849889 has 8 divisors (see below), whose sum is σ = 179644608. Its totient is φ = 134152080.

The previous prime is 156849841. The next prime is 156849911. The reversal of 156849889 is 988948651.

156849889 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 156849889 - 2⁷ = 156849761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156849829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20722 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (22455576).

Almost surely, 2^156849889 is an apocalyptic number.

It is an amenable number.

156849889 is a deficient number, since it is larger than the sum of its proper divisors (22794719).

156849889 is an equidigital number, since it uses as much as digits as its factorization.

156849889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48455.

The product of its digits is 4976640, while the sum is 58.

The square root of 156849889 is about 12523.9725726305. The cubic root of 156849889 is about 539.2970838130.

The spelling of 156849889 in words is "one hundred fifty-six million, eight hundred forty-nine thousand, eight hundred eighty-nine".