154222045355040 has 192 divisors, whose sum is σ = 523177075564416. Its totient is φ = 37961736855552.

The previous prime is 154222045355033. The next prime is 154222045355041. The reversal of 154222045355040 is 40553540222451.

It is a junction number, because it is equal to n+sod(n) for n = 154222045354983 and 154222045355001.

It is not an unprimeable number, because it can be changed into a prime (154222045355041) 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, 478428159 + ... + 478750401.

It is an arithmetic number, because the mean of its divisors is an integer number (2724880601898).

Almost surely, 2^{154222045355040} is an apocalyptic number.

154222045355040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154222045355040 is an abundant number, since it is smaller than the sum of its proper divisors (368955030209376).

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

154222045355040 is a wasteful number, since it uses less digits than its factorization.

154222045355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398971 (or 398963 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

Adding to 154222045355040 its reverse (40553540222451), we get a palindrome (194775585577491).

The spelling of 154222045355040 in words is "one hundred fifty-four trillion, two hundred twenty-two billion, forty-five million, three hundred fifty-five thousand, forty".