156446349 has 4 divisors (see below), whose sum is σ = 208595136. Its totient is φ = 104297564.

The previous prime is 156446321. The next prime is 156446351. The reversal of 156446349 is 943644651.

It is a happy number.

156446349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156446349 - 2²⁷ = 22228621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156446349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156446309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26074389 + ... + 26074394.

It is an arithmetic number, because the mean of its divisors is an integer number (52148784).

Almost surely, 2^156446349 is an apocalyptic number.

It is an amenable number.

156446349 is a deficient number, since it is larger than the sum of its proper divisors (52148787).

156446349 is an equidigital number, since it uses as much as digits as its factorization.

156446349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52148786.

The product of its digits is 311040, while the sum is 42.

The square root of 156446349 is about 12507.8514941616. The cubic root of 156446349 is about 538.8341893220.

The spelling of 156446349 in words is "one hundred fifty-six million, four hundred forty-six thousand, three hundred forty-nine".