155148943 has 2 divisors, whose sum is σ = 155148944. Its totient is φ = 155148942.

The previous prime is 155148941. The next prime is 155148949. The reversal of 155148943 is 349841551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155148943 - 2¹ = 155148941 is a prime.

Together with 155148941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 155148896 and 155148905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155148941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77574471 + 77574472.

It is an arithmetic number, because the mean of its divisors is an integer number (77574472).

Almost surely, 2^155148943 is an apocalyptic number.

155148943 is a deficient number, since it is larger than the sum of its proper divisors (1).

155148943 is an equidigital number, since it uses as much as digits as its factorization.

155148943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 155148943 is about 12455.8798565176. The cubic root of 155148943 is about 537.3405395372.

The spelling of 155148943 in words is "one hundred fifty-five million, one hundred forty-eight thousand, nine hundred forty-three".