156055541 has 4 divisors (see below), whose sum is σ = 157514112. Its totient is φ = 154596972.

The previous prime is 156055513. The next prime is 156055567. The reversal of 156055541 is 145550651.

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: 145550651 = 17 ⋅8561803.

It is a cyclic number.

It is not a de Polignac number, because 156055541 - 2¹⁴ = 156039157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156055498 and 156055507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156055511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729125 + ... + 729338.

It is an arithmetic number, because the mean of its divisors is an integer number (39378528).

Almost surely, 2^156055541 is an apocalyptic number.

It is an amenable number.

156055541 is a deficient number, since it is larger than the sum of its proper divisors (1458571).

156055541 is a wasteful number, since it uses less digits than its factorization.

156055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458570.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 156055541 is about 12492.2192183775. The cubic root of 156055541 is about 538.3851401693.

The spelling of 156055541 in words is "one hundred fifty-six million, fifty-five thousand, five hundred forty-one".