30550145150405 has 4 divisors (see below), whose sum is σ = 36660174180492. Its totient is φ = 24440116120320.

The previous prime is 30550145150389. The next prime is 30550145150407. The reversal of 30550145150405 is 50405154105503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3601193177761 + 26948951972644 = 1897681^2 + 5191238^2 .

It is not a de Polignac number, because 30550145150405 - 2⁴ = 30550145150389 is a prime.

It is a super-2 number, since 2×30550145150405² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30550145150407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055014515036 + ... + 3055014515045.

It is an arithmetic number, because the mean of its divisors is an integer number (9165043545123).

Almost surely, 2^{30550145150405} is an apocalyptic number.

It is an amenable number.

30550145150405 is a deficient number, since it is larger than the sum of its proper divisors (6110029030087).

30550145150405 is an equidigital number, since it uses as much as digits as its factorization.

30550145150405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110029030086.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 30550145150405 its reverse (50405154105503), we get a palindrome (80955299255908).

The spelling of 30550145150405 in words is "thirty trillion, five hundred fifty billion, one hundred forty-five million, one hundred fifty thousand, four hundred five".