154213212 has 24 divisors (see below), whose sum is σ = 362250000. Its totient is φ = 51058816.

The previous prime is 154213201. The next prime is 154213217. The reversal of 154213212 is 212312451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154213217) 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 7 ways as a sum of consecutive naturals, for example, 41337 + ... + 44912.

It is an arithmetic number, because the mean of its divisors is an integer number (15093750).

Almost surely, 2^154213212 is an apocalyptic number.

154213212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154213212 is an abundant number, since it is smaller than the sum of its proper divisors (208036788).

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

154213212 is a wasteful number, since it uses less digits than its factorization.

154213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86405 (or 86403 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 154213212 is about 12418.2612309453. The cubic root of 154213212 is about 536.2580948675.

Adding to 154213212 its reverse (212312451), we get a palindrome (366525663).

The spelling of 154213212 in words is "one hundred fifty-four million, two hundred thirteen thousand, two hundred twelve".