154225240 has 32 divisors (see below), whose sum is σ = 373700880. Its totient is φ = 56944512.

The previous prime is 154225237. The next prime is 154225243. The reversal of 154225240 is 42522451.

154225240 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 (154225237) and next prime (154225243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154225243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147774 + ... + 148813.

Almost surely, 2^154225240 is an apocalyptic number.

154225240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154225240 is an abundant number, since it is smaller than the sum of its proper divisors (219475640).

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

154225240 is a wasteful number, since it uses less digits than its factorization.

154225240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296611 (or 296607 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 154225240 is about 12418.7455083032. The cubic root of 154225240 is about 536.2720364846.

Adding to 154225240 its reverse (42522451), we get a palindrome (196747691).

The spelling of 154225240 in words is "one hundred fifty-four million, two hundred twenty-five thousand, two hundred forty".