155045041 has 2 divisors, whose sum is σ = 155045042. Its totient is φ = 155045040.

The previous prime is 155045021. The next prime is 155045053. The reversal of 155045041 is 140540551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 40640625 = 10696^2 + 6375^2 .

It is an emirp because it is prime and its reverse (140540551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155045041 - 2⁹ = 155044529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155044997 and 155045015.

It is not a weakly prime, because it can be changed into another prime (155045021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77522520 + 77522521.

It is an arithmetic number, because the mean of its divisors is an integer number (77522521).

Almost surely, 2^155045041 is an apocalyptic number.

It is an amenable number.

155045041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155045041 is an equidigital number, since it uses as much as digits as its factorization.

155045041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155045041 is about 12451.7083566874. The cubic root of 155045041 is about 537.2205618705.

Adding to 155045041 its reverse (140540551), we get a palindrome (295585592).

It can be divided in two parts, 1550450 and 41, that multiplied together give a triangular number (63568450 = T₁₁₂₇₅).

The spelling of 155045041 in words is "one hundred fifty-five million, forty-five thousand, forty-one".