155145030023 has 2 divisors, whose sum is σ = 155145030024. Its totient is φ = 155145030022.

The previous prime is 155145029947. The next prime is 155145030037. The reversal of 155145030023 is 320030541551.

155145030023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155145030023 - 2¹² = 155145025927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155145030083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77572515011 + 77572515012.

It is an arithmetic number, because the mean of its divisors is an integer number (77572515012).

Almost surely, 2^155145030023 is an apocalyptic number.

155145030023 is a deficient number, since it is larger than the sum of its proper divisors (1).

155145030023 is an equidigital number, since it uses as much as digits as its factorization.

155145030023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 155145030023 its reverse (320030541551), we get a palindrome (475175571574).

The spelling of 155145030023 in words is "one hundred fifty-five billion, one hundred forty-five million, thirty thousand, twenty-three".