155530340345 has 16 divisors (see below), whose sum is σ = 187856347392. Its totient is φ = 123613585920.

The previous prime is 155530340341. The next prime is 155530340351. The reversal of 155530340345 is 543043035551.

It is not a de Polignac number, because 155530340345 - 2² = 155530340341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155530340299 and 155530340308.

It is not an unprimeable number, because it can be changed into a prime (155530340341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315734 + ... + 640896.

It is an arithmetic number, because the mean of its divisors is an integer number (11741021712).

Almost surely, 2^155530340345 is an apocalyptic number.

It is an amenable number.

155530340345 is a deficient number, since it is larger than the sum of its proper divisors (32326007047).

155530340345 is a wasteful number, since it uses less digits than its factorization.

155530340345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325792.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 155530340345 its reverse (543043035551), we get a palindrome (698573375896).

The spelling of 155530340345 in words is "one hundred fifty-five billion, five hundred thirty million, three hundred forty thousand, three hundred forty-five".