155601283 has 2 divisors, whose sum is σ = 155601284. Its totient is φ = 155601282.

The previous prime is 155601263. The next prime is 155601293. The reversal of 155601283 is 382106551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155601283 - 2⁹ = 155600771 is a prime.

It is equal to p_8741470 and since 155601283 and 8741470 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (155601223) 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, 77800641 + 77800642.

It is an arithmetic number, because the mean of its divisors is an integer number (77800642).

Almost surely, 2^155601283 is an apocalyptic number.

155601283 is a deficient number, since it is larger than the sum of its proper divisors (1).

155601283 is an equidigital number, since it uses as much as digits as its factorization.

155601283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 155601283 is about 12474.0243305839. The cubic root of 155601283 is about 537.8622420610.

The spelling of 155601283 in words is "one hundred fifty-five million, six hundred one thousand, two hundred eighty-three".