155535285 has 16 divisors (see below), whose sum is σ = 250508160. Its totient is φ = 82401600.

The previous prime is 155535251. The next prime is 155535287. The reversal of 155535285 is 582535551.

It is a happy number.

155535285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155535285 - 2⁶ = 155535221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155535287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32070 + ... + 36599.

It is an arithmetic number, because the mean of its divisors is an integer number (15656760).

Almost surely, 2^155535285 is an apocalyptic number.

155535285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155535285 is a deficient number, since it is larger than the sum of its proper divisors (94972875).

155535285 is a wasteful number, since it uses less digits than its factorization.

155535285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68828.

The product of its digits is 150000, while the sum is 39.

The square root of 155535285 is about 12471.3786326933. The cubic root of 155535285 is about 537.7861868779.

The spelling of 155535285 in words is "one hundred fifty-five million, five hundred thirty-five thousand, two hundred eighty-five".