154225212 has 24 divisors (see below), whose sum is σ = 375505536. Its totient is φ = 49173168.

The previous prime is 154225187. The next prime is 154225237. The reversal of 154225212 is 212522451.

154225212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154225187) and next prime (154225237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279118 + ... + 279669.

It is an arithmetic number, because the mean of its divisors is an integer number (15646064).

Almost surely, 2^154225212 is an apocalyptic number.

154225212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154225212 is an abundant number, since it is smaller than the sum of its proper divisors (221280324).

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

154225212 is a wasteful number, since it uses less digits than its factorization.

154225212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558817 (or 558815 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 154225212 is about 12418.7443809751. The cubic root of 154225212 is about 536.2720040308.

Adding to 154225212 its reverse (212522451), we get a palindrome (366747663).

The spelling of 154225212 in words is "one hundred fifty-four million, two hundred twenty-five thousand, two hundred twelve".