154042224 has 160 divisors (see below), whose sum is σ = 490635264. Its totient is φ = 40677120.

The previous prime is 154042223. The next prime is 154042243. The reversal of 154042224 is 422240451.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 154042194 and 154042203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154042223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239247 + ... + 239889.

Almost surely, 2^154042224 is an apocalyptic number.

154042224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154042224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245317632).

154042224 is an abundant number, since it is smaller than the sum of its proper divisors (336593040).

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

154042224 is a wasteful number, since it uses less digits than its factorization.

154042224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 154042224 is about 12411.3747828353. The cubic root of 154042224 is about 536.0598247623.

Adding to 154042224 its reverse (422240451), we get a palindrome (576282675).

The spelling of 154042224 in words is "one hundred fifty-four million, forty-two thousand, two hundred twenty-four".