155435113 has 4 divisors (see below), whose sum is σ = 159636100. Its totient is φ = 151234128.

The previous prime is 155435069. The next prime is 155435123. The reversal of 155435113 is 311534551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311534551 = 547 ⋅569533.

It can be written as a sum of positive squares in 2 ways, for example, as 111239209 + 44195904 = 10547^2 + 6648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155435113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155435123) 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 3 ways as a sum of consecutive naturals, for example, 2100438 + ... + 2100511.

It is an arithmetic number, because the mean of its divisors is an integer number (39909025).

Almost surely, 2^155435113 is an apocalyptic number.

It is an amenable number.

155435113 is a deficient number, since it is larger than the sum of its proper divisors (4200987).

155435113 is an equidigital number, since it uses as much as digits as its factorization.

155435113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200986.

The product of its digits is 4500, while the sum is 28.

The square root of 155435113 is about 12467.3619102038. The cubic root of 155435113 is about 537.6707089287.

Adding to 155435113 its reverse (311534551), we get a palindrome (466969664).

The spelling of 155435113 in words is "one hundred fifty-five million, four hundred thirty-five thousand, one hundred thirteen".