155844041 has 2 divisors, whose sum is σ = 155844042. Its totient is φ = 155844040.

The previous prime is 155844001. The next prime is 155844053. The reversal of 155844041 is 140448551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144480400 + 11363641 = 12020^2 + 3371^2 .

It is a cyclic number.

It is not a de Polignac number, because 155844041 - 2²⁶ = 88735177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 155843989 and 155844007.

It is not a weakly prime, because it can be changed into another prime (155844001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77922020 + 77922021.

It is an arithmetic number, because the mean of its divisors is an integer number (77922021).

Almost surely, 2^155844041 is an apocalyptic number.

It is an amenable number.

155844041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155844041 is an equidigital number, since it uses as much as digits as its factorization.

155844041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 155844041 is about 12483.7510789025. The cubic root of 155844041 is about 538.1418081337.

The spelling of 155844041 in words is "one hundred fifty-five million, eight hundred forty-four thousand, forty-one".