155340341 has 4 divisors (see below), whose sum is σ = 167289612. Its totient is φ = 143391072.

The previous prime is 155340337. The next prime is 155340347. The reversal of 155340341 is 143043551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143043551 = 7 ⋅20434793.

It can be written as a sum of positive squares in 2 ways, for example, as 85951441 + 69388900 = 9271^2 + 8330^2 .

It is a cyclic number.

It is not a de Polignac number, because 155340341 - 2² = 155340337 is a prime.

It is a super-3 number, since 3×155340341³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155340341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155340347) 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, 5974616 + ... + 5974641.

It is an arithmetic number, because the mean of its divisors is an integer number (41822403).

Almost surely, 2^155340341 is an apocalyptic number.

It is an amenable number.

155340341 is a deficient number, since it is larger than the sum of its proper divisors (11949271).

155340341 is a wasteful number, since it uses less digits than its factorization.

155340341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949270.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 155340341 is about 12463.5605265911. The cubic root of 155340341 is about 537.5614103983.

Adding to 155340341 its reverse (143043551), we get a palindrome (298383892).

The spelling of 155340341 in words is "one hundred fifty-five million, three hundred forty thousand, three hundred forty-one".