154133343616640 has 64 divisors (see below), whose sum is σ = 373974651920160. Its totient is φ = 60733138363392.

The previous prime is 154133343616589. The next prime is 154133343616661. The reversal of 154133343616640 is 46616343331451.

154133343616640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×154133343616640² (a number of 29 digits) contains 22 as substring.

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, 1797220922 + ... + 1797306681.

Almost surely, 2^{154133343616640} is an apocalyptic number.

154133343616640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154133343616640 is an abundant number, since it is smaller than the sum of its proper divisors (219841308303520).

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

154133343616640 is an equidigital number, since it uses as much as digits as its factorization.

154133343616640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594527689 (or 3594527677 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 154133343616640 in words is "one hundred fifty-four trillion, one hundred thirty-three billion, three hundred forty-three million, six hundred sixteen thousand, six hundred forty".