155226833 has 2 divisors, whose sum is σ = 155226834. Its totient is φ = 155226832.

The previous prime is 155226811. The next prime is 155226901. The reversal of 155226833 is 338622551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120275089 + 34951744 = 10967^2 + 5912^2 .

It is a cyclic number.

It is not a de Polignac number, because 155226833 - 2²⁰ = 154178257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155226793 and 155226802.

It is not a weakly prime, because it can be changed into another prime (155220833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77613416 + 77613417.

It is an arithmetic number, because the mean of its divisors is an integer number (77613417).

Almost surely, 2^155226833 is an apocalyptic number.

It is an amenable number.

155226833 is a deficient number, since it is larger than the sum of its proper divisors (1).

155226833 is an equidigital number, since it uses as much as digits as its factorization.

155226833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 155226833 is about 12459.0061000065. The cubic root of 155226833 is about 537.4304455157.

The spelling of 155226833 in words is "one hundred fifty-five million, two hundred twenty-six thousand, eight hundred thirty-three".