154640112 has 40 divisors (see below), whose sum is σ = 435805440. Its totient is φ = 46860480.

The previous prime is 154640111. The next prime is 154640137. The reversal of 154640112 is 211046451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154640111) 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, 145912 + ... + 146967.

It is an arithmetic number, because the mean of its divisors is an integer number (10895136).

Almost surely, 2^154640112 is an apocalyptic number.

154640112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154640112 is an abundant number, since it is smaller than the sum of its proper divisors (281165328).

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

154640112 is a wasteful number, since it uses less digits than its factorization.

154640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292901 (or 292895 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 154640112 is about 12435.4377486279. The cubic root of 154640112 is about 536.7524702813.

Adding to 154640112 its reverse (211046451), we get a palindrome (365686563).

The spelling of 154640112 in words is "one hundred fifty-four million, six hundred forty thousand, one hundred twelve".