156870041 has 4 divisors (see below), whose sum is σ = 156934272. Its totient is φ = 156805812.

The previous prime is 156870037. The next prime is 156870079. The reversal of 156870041 is 140078651.

It is a happy number.

156870041 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, and also an emirpimes, since its reverse is a distinct semiprime: 140078651 = 5059 ⋅27689.

It is a cyclic number.

It is not a de Polignac number, because 156870041 - 2² = 156870037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156870641) 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, 28301 + ... + 33386.

It is an arithmetic number, because the mean of its divisors is an integer number (39233568).

Almost surely, 2^156870041 is an apocalyptic number.

It is an amenable number.

156870041 is a deficient number, since it is larger than the sum of its proper divisors (64231).

156870041 is an equidigital number, since it uses as much as digits as its factorization.

156870041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64230.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 156870041 is about 12524.7770838446. Note that the first 3 decimals coincide. The cubic root of 156870041 is about 539.3201790359.

The spelling of 156870041 in words is "one hundred fifty-six million, eight hundred seventy thousand, forty-one".