154133189604 has 135 divisors (see below), whose sum is σ = 428364753817. Its totient is φ = 48317821056.

The previous prime is 154133189543. The next prime is 154133189611. The reversal of 154133189604 is 406981331451.

The square root of 154133189604 is 392598.

It is a perfect power (a square), and thus also a powerful number.

154133189604 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 3 + 31 + 8 + 9 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119999888100 + 34133301504 = 346410^2 + 184752^2 .

It is a super-2 number, since 2×154133189604² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154133189604.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 120134347 + ... + 120135629.

Almost surely, 2^154133189604 is an apocalyptic number.

154133189604 is the 392598-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154133189604

154133189604 is an abundant number, since it is smaller than the sum of its proper divisors (274231564213).

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

154133189604 is an equidigital number, since it uses as much as digits as its factorization.

154133189604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 154133189604 in words is "one hundred fifty-four billion, one hundred thirty-three million, one hundred eighty-nine thousand, six hundred four".