155030033 has 2 divisors, whose sum is σ = 155030034. Its totient is φ = 155030032.

The previous prime is 155029997. The next prime is 155030047. The reversal of 155030033 is 330030551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126855169 + 28174864 = 11263^2 + 5308^2 .

It is a cyclic number.

It is not a de Polignac number, because 155030033 - 2¹⁶ = 154964497 is a prime.

It is a super-2 number, since 2×155030033² = 48068622263962178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155029987 and 155030014.

It is not a weakly prime, because it can be changed into another prime (155030933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77515016 + 77515017.

It is an arithmetic number, because the mean of its divisors is an integer number (77515017).

Almost surely, 2^155030033 is an apocalyptic number.

It is an amenable number.

155030033 is a deficient number, since it is larger than the sum of its proper divisors (1).

155030033 is an equidigital number, since it uses as much as digits as its factorization.

155030033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 155030033 is about 12451.1056938731. The cubic root of 155030033 is about 537.2032274101.

Adding to 155030033 its reverse (330030551), we get a palindrome (485060584).

The spelling of 155030033 in words is "one hundred fifty-five million, thirty thousand, thirty-three".