155481041 has 2 divisors, whose sum is σ = 155481042. Its totient is φ = 155481040.

The previous prime is 155481037. The next prime is 155481059. The reversal of 155481041 is 140184551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 229441 = 12460^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 155481041 - 2² = 155481037 is a prime.

It is a super-2 number, since 2×155481041² = 48348708220887362, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 155480995 and 155481013.

It is not a weakly prime, because it can be changed into another prime (155481241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77740520 + 77740521.

It is an arithmetic number, because the mean of its divisors is an integer number (77740521).

Almost surely, 2^155481041 is an apocalyptic number.

It is an amenable number.

155481041 is a deficient number, since it is larger than the sum of its proper divisors (1).

155481041 is an equidigital number, since it uses as much as digits as its factorization.

155481041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 155481041 is about 12469.2037035249. The cubic root of 155481041 is about 537.7236607318.

The spelling of 155481041 in words is "one hundred fifty-five million, four hundred eighty-one thousand, forty-one".