155041345 has 4 divisors (see below), whose sum is σ = 186049620. Its totient is φ = 124033072.

The previous prime is 155041333. The next prime is 155041357. The reversal of 155041345 is 543140551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543140551 = 659 ⋅824189.

It is an interprime number because it is at equal distance from previous prime (155041333) and next prime (155041357).

It can be written as a sum of positive squares in 2 ways, for example, as 22353984 + 132687361 = 4728^2 + 11519^2 .

It is a cyclic number.

It is not a de Polignac number, because 155041345 - 2⁷ = 155041217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15504130 + ... + 15504139.

It is an arithmetic number, because the mean of its divisors is an integer number (46512405).

Almost surely, 2^155041345 is an apocalyptic number.

It is an amenable number.

155041345 is a deficient number, since it is larger than the sum of its proper divisors (31008275).

155041345 is an equidigital number, since it uses as much as digits as its factorization.

155041345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31008274.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 155041345 is about 12451.5599424329. The cubic root of 155041345 is about 537.2162930400.

Adding to 155041345 its reverse (543140551), we get a palindrome (698181896).

The spelling of 155041345 in words is "one hundred fifty-five million, forty-one thousand, three hundred forty-five".