155248212 has 24 divisors (see below), whose sum is σ = 413995456. Its totient is φ = 44356608.

The previous prime is 155248201. The next prime is 155248237. The reversal of 155248212 is 212842551.

It is a self number, because there is not a number n which added to its sum of digits gives 155248212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924013 + ... + 924180.

Almost surely, 2^155248212 is an apocalyptic number.

155248212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155248212 is an abundant number, since it is smaller than the sum of its proper divisors (258747244).

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

155248212 is a wasteful number, since it uses less digits than its factorization.

155248212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848207 (or 1848205 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 155248212 is about 12459.8640442021. The cubic root of 155248212 is about 537.4551173628.

The spelling of 155248212 in words is "one hundred fifty-five million, two hundred forty-eight thousand, two hundred twelve".