154102351240 has 32 divisors (see below), whose sum is σ = 346777263000. Its totient is φ = 61632589824.

The previous prime is 154102351223. The next prime is 154102351241. The reversal of 154102351240 is 42153201451.

It can be written as a sum of positive squares in 4 ways, for example, as 140503526244 + 13598824996 = 374838^2 + 116614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154102351199 and 154102351208.

It is not an unprimeable number, because it can be changed into a prime (154102351241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42346 + ... + 556774.

Almost surely, 2^154102351240 is an apocalyptic number.

154102351240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154102351240 is an abundant number, since it is smaller than the sum of its proper divisors (192674911760).

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

154102351240 is a wasteful number, since it uses less digits than its factorization.

154102351240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521929 (or 521925 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 154102351240 its reverse (42153201451), we get a palindrome (196255552691).

The spelling of 154102351240 in words is "one hundred fifty-four billion, one hundred two million, three hundred fifty-one thousand, two hundred forty".