156141481 has 8 divisors (see below), whose sum is σ = 171027720. Its totient is φ = 141888768.

The previous prime is 156141467. The next prime is 156141499. The reversal of 156141481 is 184141651.

156141481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75429225 + 80712256 = 8685^2 + 8984^2 .

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 156141481 - 2⁷ = 156141353 is a prime.

It is a super-2 number, since 2×156141481² = 48760324177746722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (156171481) 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, 157866 + ... + 158851.

It is an arithmetic number, because the mean of its divisors is an integer number (21378465).

Almost surely, 2^156141481 is an apocalyptic number.

It is an amenable number.

156141481 is a deficient number, since it is larger than the sum of its proper divisors (14886239).

156141481 is a wasteful number, since it uses less digits than its factorization.

156141481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316763.

The product of its digits is 3840, while the sum is 31.

The square root of 156141481 is about 12495.6584860503. The cubic root of 156141481 is about 538.4839518441.

The spelling of 156141481 in words is "one hundred fifty-six million, one hundred forty-one thousand, four hundred eighty-one".