155345345 has 8 divisors (see below), whose sum is σ = 189470760. Its totient is φ = 122238720.

The previous prime is 155345341. The next prime is 155345353. The reversal of 155345345 is 543543551.

It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 148157584 = 2681^2 + 12172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155345345 - 2² = 155345341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155345341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254360 + ... + 254969.

It is an arithmetic number, because the mean of its divisors is an integer number (23683845).

Almost surely, 2^155345345 is an apocalyptic number.

It is an amenable number.

155345345 is a deficient number, since it is larger than the sum of its proper divisors (34125415).

155345345 is an equidigital number, since it uses as much as digits as its factorization.

155345345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509395.

The product of its digits is 90000, while the sum is 35.

The square root of 155345345 is about 12463.7612701784. The cubic root of 155345345 is about 537.5671825165.

Adding to 155345345 its reverse (543543551), we get a palindrome (698888896).

The spelling of 155345345 in words is "one hundred fifty-five million, three hundred forty-five thousand, three hundred forty-five".