154115604 has 72 divisors (see below), whose sum is σ = 398623680. Its totient is φ = 50193792.

The previous prime is 154115587. The next prime is 154115623. The reversal of 154115604 is 406511451.

154115604 is a `hidden beast` number, since 1 + 5 + 41 + 15 + 604 = 666.

154115604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329779 + ... + 330245.

It is an arithmetic number, because the mean of its divisors is an integer number (5536440).

Almost surely, 2^154115604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154115604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199311840).

154115604 is an abundant number, since it is smaller than the sum of its proper divisors (244508076).

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

154115604 is a wasteful number, since it uses less digits than its factorization.

154115604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 154115604 is about 12414.3305900882. The cubic root of 154115604 is about 536.1449309202.

The spelling of 154115604 in words is "one hundred fifty-four million, one hundred fifteen thousand, six hundred four".