154223112 has 32 divisors (see below), whose sum is σ = 394526880. Its totient is φ = 50211840.

The previous prime is 154223093. The next prime is 154223117. The reversal of 154223112 is 211322451.

It is not an unprimeable number, because it can be changed into a prime (154223117) 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, 73689 + ... + 75752.

It is an arithmetic number, because the mean of its divisors is an integer number (12328965).

Almost surely, 2^154223112 is an apocalyptic number.

154223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154223112 is an abundant number, since it is smaller than the sum of its proper divisors (240303768).

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

154223112 is a wasteful number, since it uses less digits than its factorization.

154223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149493 (or 149489 counting only the distinct ones).

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

The square root of 154223112 is about 12418.6598310768. The cubic root of 154223112 is about 536.2695699793.

Adding to 154223112 its reverse (211322451), we get a palindrome (365545563).

The spelling of 154223112 in words is "one hundred fifty-four million, two hundred twenty-three thousand, one hundred twelve".