155265539 has 30 divisors (see below), whose sum is σ = 194875236. Its totient is φ = 122628480.

The previous prime is 155265529. The next prime is 155265541. The reversal of 155265539 is 935562551.

It is not a de Polignac number, because 155265539 - 2¹² = 155261443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155265496 and 155265505.

It is not an unprimeable number, because it can be changed into a prime (155265529) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9133259 + ... + 9133275.

Almost surely, 2^155265539 is an apocalyptic number.

155265539 is a deficient number, since it is larger than the sum of its proper divisors (39609697).

155265539 is an frugal number, since it uses more digits than its factorization.

155265539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 41 counting only the distinct ones).

The product of its digits is 202500, while the sum is 41.

The square root of 155265539 is about 12460.5593373652. The cubic root of 155265539 is about 537.4751114490.

The spelling of 155265539 in words is "one hundred fifty-five million, two hundred sixty-five thousand, five hundred thirty-nine".