156128841 has 36 divisors (see below), whose sum is σ = 249224976. Its totient is φ = 94113360.

The previous prime is 156128839. The next prime is 156128851. The reversal of 156128841 is 148821651.

It is not a de Polignac number, because 156128841 - 2¹ = 156128839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156128796 and 156128805.

It is not an unprimeable number, because it can be changed into a prime (156128821) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 334090 + ... + 334556.

It is an arithmetic number, because the mean of its divisors is an integer number (6922916).

Almost surely, 2^156128841 is an apocalyptic number.

156128841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156128841 is a deficient number, since it is larger than the sum of its proper divisors (93096135).

156128841 is a wasteful number, since it uses less digits than its factorization.

156128841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 788 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 156128841 is about 12495.1527001474. The cubic root of 156128841 is about 538.4694209610.

The spelling of 156128841 in words is "one hundred fifty-six million, one hundred twenty-eight thousand, eight hundred forty-one".