155215341 has 12 divisors (see below), whose sum is σ = 224310268. Its totient is φ = 103425984.

The previous prime is 155215297. The next prime is 155215343. The reversal of 155215341 is 143512551.

It can be written as a sum of positive squares in 2 ways, for example, as 77264100 + 77951241 = 8790^2 + 8829^2 .

It is not a de Polignac number, because 155215341 - 2⁷ = 155215213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155215343) 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 11 ways as a sum of consecutive naturals, for example, 27801 + ... + 32913.

Almost surely, 2^155215341 is an apocalyptic number.

It is an amenable number.

155215341 is a deficient number, since it is larger than the sum of its proper divisors (69094927).

155215341 is a wasteful number, since it uses less digits than its factorization.

155215341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492 (or 8489 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155215341 is about 12458.5448989840. The cubic root of 155215341 is about 537.4171825530.

Adding to 155215341 its reverse (143512551), we get a palindrome (298727892).

It can be divided in two parts, 155 and 215341, that added together give a triangular number (215496 = T₆₅₆).

The spelling of 155215341 in words is "one hundred fifty-five million, two hundred fifteen thousand, three hundred forty-one".