155345235 has 32 divisors (see below), whose sum is σ = 277032960. Its totient is φ = 73870848.

The previous prime is 155345233. The next prime is 155345263. The reversal of 155345235 is 532543551.

It is a happy number.

It is not a de Polignac number, because 155345235 - 2¹ = 155345233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155345196 and 155345205.

It is not an unprimeable number, because it can be changed into a prime (155345233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11187 + ... + 20876.

It is an arithmetic number, because the mean of its divisors is an integer number (8657280).

Almost surely, 2^155345235 is an apocalyptic number.

155345235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155345235 is a deficient number, since it is larger than the sum of its proper divisors (121687725).

155345235 is a wasteful number, since it uses less digits than its factorization.

155345235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32107.

The product of its digits is 45000, while the sum is 33.

The square root of 155345235 is about 12463.7568573845. The cubic root of 155345235 is about 537.5670556327.

Adding to 155345235 its reverse (532543551), we get a palindrome (687888786).

The spelling of 155345235 in words is "one hundred fifty-five million, three hundred forty-five thousand, two hundred thirty-five".