155342041 has 2 divisors, whose sum is σ = 155342042. Its totient is φ = 155342040.

The previous prime is 155342017. The next prime is 155342111. The reversal of 155342041 is 140243551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126225225 + 29116816 = 11235^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 155342041 - 2¹¹ = 155339993 is a prime.

It is a super-2 number, since 2×155342041² = 48262299404091362, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 155341997 and 155342015.

It is not a weakly prime, because it can be changed into another prime (155342441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77671020 + 77671021.

It is an arithmetic number, because the mean of its divisors is an integer number (77671021).

Almost surely, 2^155342041 is an apocalyptic number.

It is an amenable number.

155342041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155342041 is an equidigital number, since it uses as much as digits as its factorization.

155342041 is an evil number, because the sum of its binary digits is even.

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

The square root of 155342041 is about 12463.6287252148. The cubic root of 155342041 is about 537.5633713636.

Adding to 155342041 its reverse (140243551), we get a palindrome (295585592).

The spelling of 155342041 in words is "one hundred fifty-five million, three hundred forty-two thousand, forty-one".