155346241 has 4 divisors (see below), whose sum is σ = 155552212. Its totient is φ = 155140272.

The previous prime is 155346211. The next prime is 155346259. The reversal of 155346241 is 142643551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138297600 + 17048641 = 11760^2 + 4129^2 .

It is a cyclic number.

It is not a de Polignac number, because 155346241 - 2¹⁷ = 155215169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155346211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101850 + ... + 103363.

It is an arithmetic number, because the mean of its divisors is an integer number (38888053).

Almost surely, 2^155346241 is an apocalyptic number.

It is an amenable number.

155346241 is a deficient number, since it is larger than the sum of its proper divisors (205971).

155346241 is an equidigital number, since it uses as much as digits as its factorization.

155346241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205970.

The product of its digits is 14400, while the sum is 31.

The square root of 155346241 is about 12463.7972143324. The cubic root of 155346241 is about 537.5682160401.

Adding to 155346241 its reverse (142643551), we get a palindrome (297989792).

The spelling of 155346241 in words is "one hundred fifty-five million, three hundred forty-six thousand, two hundred forty-one".