155148941 has 2 divisors, whose sum is σ = 155148942. Its totient is φ = 155148940.

The previous prime is 155148913. The next prime is 155148943. The reversal of 155148941 is 149841551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83814025 + 71334916 = 9155^2 + 8446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155148941 is a prime.

Together with 155148943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 155148895 and 155148904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155148943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77574470 + 77574471.

It is an arithmetic number, because the mean of its divisors is an integer number (77574471).

Almost surely, 2^155148941 is an apocalyptic number.

It is an amenable number.

155148941 is a deficient number, since it is larger than the sum of its proper divisors (1).

155148941 is an equidigital number, since it uses as much as digits as its factorization.

155148941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 38.

The square root of 155148941 is about 12455.8797762342. The cubic root of 155148941 is about 537.3405372283.

The spelling of 155148941 in words is "one hundred fifty-five million, one hundred forty-eight thousand, nine hundred forty-one".