155425535 has 4 divisors (see below), whose sum is σ = 186510648. Its totient is φ = 124340424.

The previous prime is 155425519. The next prime is 155425549. The reversal of 155425535 is 535524551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535524551 = 61 ⋅8779091.

It is a cyclic number.

It is not a de Polignac number, because 155425535 - 2⁴ = 155425519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155425495 and 155425504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15542549 + ... + 15542558.

It is an arithmetic number, because the mean of its divisors is an integer number (46627662).

Almost surely, 2^155425535 is an apocalyptic number.

155425535 is a deficient number, since it is larger than the sum of its proper divisors (31085113).

155425535 is an equidigital number, since it uses as much as digits as its factorization.

155425535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31085112.

The product of its digits is 75000, while the sum is 35.

The square root of 155425535 is about 12466.9777813229. The cubic root of 155425535 is about 537.6596648436.

The spelling of 155425535 in words is "one hundred fifty-five million, four hundred twenty-five thousand, five hundred thirty-five".