156020641 has 8 divisors (see below), whose sum is σ = 182456384. Its totient is φ = 130621680.

The previous prime is 156020597. The next prime is 156020653. The reversal of 156020641 is 146020651.

156020641 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 not a de Polignac number, because 156020641 - 2¹⁵ = 155987873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156020671) 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, 258870 + ... + 259471.

It is an arithmetic number, because the mean of its divisors is an integer number (22807048).

Almost surely, 2^156020641 is an apocalyptic number.

It is an amenable number.

156020641 is a deficient number, since it is larger than the sum of its proper divisors (26435743).

156020641 is an equidigital number, since it uses as much as digits as its factorization.

156020641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518391.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 156020641 is about 12490.8222707714. The cubic root of 156020641 is about 538.3450026598.

It can be divided in two parts, 1560 and 20641, that added together give a square (22201 = 149²).

The spelling of 156020641 in words is "one hundred fifty-six million, twenty thousand, six hundred forty-one".