155341481 has 2 divisors, whose sum is σ = 155341482. Its totient is φ = 155341480.

The previous prime is 155341477. The next prime is 155341519. The reversal of 155341481 is 184143551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124992400 + 30349081 = 11180^2 + 5509^2 .

It is a cyclic number.

It is not a de Polignac number, because 155341481 - 2² = 155341477 is a prime.

It is a super-2 number, since 2×155341481² = 48261951438546722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77670740 + 77670741.

It is an arithmetic number, because the mean of its divisors is an integer number (77670741).

Almost surely, 2^155341481 is an apocalyptic number.

It is an amenable number.

155341481 is a deficient number, since it is larger than the sum of its proper divisors (1).

155341481 is an equidigital number, since it uses as much as digits as its factorization.

155341481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 155341481 is about 12463.6062598270. The cubic root of 155341481 is about 537.5627254001.

It can be divided in two parts, 1553 and 41481, that added together give a palindrome (43034).

The spelling of 155341481 in words is "one hundred fifty-five million, three hundred forty-one thousand, four hundred eighty-one".