155240341 has 4 divisors (see below), whose sum is σ = 155320000. Its totient is φ = 155160684.

The previous prime is 155240329. The next prime is 155240347. The reversal of 155240341 is 143042551.

It is a happy number.

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: 143042551 = 73 ⋅1959487.

It is a cyclic number.

It is not a de Polignac number, because 155240341 - 2⁷ = 155240213 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 (155240347) 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, 36831 + ... + 40828.

It is an arithmetic number, because the mean of its divisors is an integer number (38830000).

Almost surely, 2^155240341 is an apocalyptic number.

It is an amenable number.

155240341 is a deficient number, since it is larger than the sum of its proper divisors (79659).

155240341 is an equidigital number, since it uses as much as digits as its factorization.

155240341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79658.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155240341 is about 12459.5481860299. The cubic root of 155240341 is about 537.4460343151.

Adding to 155240341 its reverse (143042551), we get a palindrome (298282892).

The spelling of 155240341 in words is "one hundred fifty-five million, two hundred forty thousand, three hundred forty-one".