154223040 has 56 divisors (see below), whose sum is σ = 489661200. Its totient is φ = 41125888.

The previous prime is 154223021. The next prime is 154223051. The reversal of 154223040 is 40322451.

It is a junction number, because it is equal to n+sod(n) for n = 154222998 and 154223016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79365 + ... + 81284.

It is an arithmetic number, because the mean of its divisors is an integer number (8743950).

Almost surely, 2^154223040 is an apocalyptic number.

154223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154223040 is an abundant number, since it is smaller than the sum of its proper divisors (335438160).

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

154223040 is a wasteful number, since it uses less digits than its factorization.

154223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160669 (or 160659 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 154223040 is about 12418.6569322129. The cubic root of 154223040 is about 536.2694865257.

Adding to 154223040 its reverse (40322451), we get a palindrome (194545491).

The spelling of 154223040 in words is "one hundred fifty-four million, two hundred twenty-three thousand, forty".