154343102036240 has 80 divisors (see below), whose sum is σ = 386482953643248. Its totient is φ = 56983566624768.

The previous prime is 154343102036113. The next prime is 154343102036353. The reversal of 154343102036240 is 42630201343451.

It can be written as a sum of positive squares in 8 ways, for example, as 176907724816 + 154166194311424 = 420604^2 + 12416368^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 154343102036194 and 154343102036203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6687182 + ... + 18799058.

Almost surely, 2^{154343102036240} is an apocalyptic number.

154343102036240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154343102036240 is an abundant number, since it is smaller than the sum of its proper divisors (232139851607008).

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

154343102036240 is a wasteful number, since it uses less digits than its factorization.

154343102036240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124156 (or 12124150 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 154343102036240 its reverse (42630201343451), we get a palindrome (196973303379691).

The spelling of 154343102036240 in words is "one hundred fifty-four trillion, three hundred forty-three billion, one hundred two million, thirty-six thousand, two hundred forty".