154208345384 has 8 divisors (see below), whose sum is σ = 289140647610. Its totient is φ = 77104172688.

The previous prime is 154208345359. The next prime is 154208345407. The reversal of 154208345384 is 483543802451.

It can be written as a sum of positive squares in only one way, i.e., 133466008900 + 20742336484 = 365330^2 + 144022^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9638021579 + ... + 9638021594.

Almost surely, 2^154208345384 is an apocalyptic number.

It is an amenable number.

154208345384 is a deficient number, since it is larger than the sum of its proper divisors (134932302226).

154208345384 is a wasteful number, since it uses less digits than its factorization.

154208345384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276043179 (or 19276043175 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 154208345384 in words is "one hundred fifty-four billion, two hundred eight million, three hundred forty-five thousand, three hundred eighty-four".