154450212 has 24 divisors (see below), whose sum is σ = 411867456. Its totient is φ = 44128608.

The previous prime is 154450211. The next prime is 154450223. The reversal of 154450212 is 212054451.

It is not an unprimeable number, because it can be changed into a prime (154450211) 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, 919263 + ... + 919430.

It is an arithmetic number, because the mean of its divisors is an integer number (17161144).

Almost surely, 2^154450212 is an apocalyptic number.

154450212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154450212 is an abundant number, since it is smaller than the sum of its proper divisors (257417244).

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

154450212 is a wasteful number, since it uses less digits than its factorization.

154450212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838707 (or 1838705 counting only the distinct ones).

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

The square root of 154450212 is about 12427.7999662048. The cubic root of 154450212 is about 536.5326673579.

The spelling of 154450212 in words is "one hundred fifty-four million, four hundred fifty thousand, two hundred twelve".