155012 has 24 divisors (see below), whose sum is σ = 319872. Its totient is φ = 64800.

The previous prime is 155009. The next prime is 155017. The reversal of 155012 is 210551.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (155017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 707.

It is an arithmetic number, because the mean of its divisors is an integer number (13328).

2¹⁵⁵⁰¹² is an apocalyptic number.

It is an amenable number.

155012 is an abundant number, since it is smaller than the sum of its proper divisors (164860).

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

155012 is a wasteful number, since it uses less digits than its factorization.

155012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 155012 is about 393.7156334209. The cubic root of 155012 is about 53.7182397551.

Adding to 155012 its reverse (210551), we get a palindrome (365563).

The spelling of 155012 in words is "one hundred fifty-five thousand, twelve".