154242211304240 has 80 divisors (see below), whose sum is σ = 360091931337792. Its totient is φ = 61442580283392.

The previous prime is 154242211304219. The next prime is 154242211304261. The reversal of 154242211304240 is 42403112242451.

154242211304240 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 (154242211304219) and next prime (154242211304261).

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

It is a self number, because there is not a number n which added to its sum of digits gives 154242211304240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88096232 + ... + 89830008.

Almost surely, 2^{154242211304240} is an apocalyptic number.

154242211304240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154242211304240 is an abundant number, since it is smaller than the sum of its proper divisors (205849720033552).

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

154242211304240 is a wasteful number, since it uses less digits than its factorization.

154242211304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738374 (or 1738368 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 154242211304240 its reverse (42403112242451), we get a palindrome (196645323546691).

The spelling of 154242211304240 in words is "one hundred fifty-four trillion, two hundred forty-two billion, two hundred eleven million, three hundred four thousand, two hundred forty".