156953105 has 4 divisors (see below), whose sum is σ = 188343732. Its totient is φ = 125562480.

The previous prime is 156953099. The next prime is 156953119. The reversal of 156953105 is 501359651.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501359651 = 13 ⋅38566127.

It can be written as a sum of positive squares in 2 ways, for example, as 43573201 + 113379904 = 6601^2 + 10648^2 .

It is not a de Polignac number, because 156953105 - 2²⁶ = 89844241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15695306 + ... + 15695315.

It is an arithmetic number, because the mean of its divisors is an integer number (47085933).

Almost surely, 2^156953105 is an apocalyptic number.

It is an amenable number.

156953105 is a deficient number, since it is larger than the sum of its proper divisors (31390627).

156953105 is an equidigital number, since it uses as much as digits as its factorization.

156953105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31390626.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 156953105 is about 12528.0926321607. The cubic root of 156953105 is about 539.4153537559.

The spelling of 156953105 in words is "one hundred fifty-six million, nine hundred fifty-three thousand, one hundred five".