155034252 has 18 divisors (see below), whose sum is σ = 391892228. Its totient is φ = 51678072.

The previous prime is 155034233. The next prime is 155034259. The reversal of 155034252 is 252430551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (155034259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2153218 + ... + 2153289.

Almost surely, 2^155034252 is an apocalyptic number.

155034252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155034252 is an abundant number, since it is smaller than the sum of its proper divisors (236857976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155034252 is a wasteful number, since it uses less digits than its factorization.

155034252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306517 (or 4306512 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 155034252 is about 12451.2751154249. The cubic root of 155034252 is about 537.2081005301.

The spelling of 155034252 in words is "one hundred fifty-five million, thirty-four thousand, two hundred fifty-two".