155426004 has 36 divisors (see below), whose sum is σ = 413562240. Its totient is φ = 49081680.

The previous prime is 155426003. The next prime is 155426017. The reversal of 155426004 is 400624551.

155426004 is a `hidden beast` number, since 1 + 5 + 54 + 2 + 600 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155426003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112932 + ... + 114299.

It is an arithmetic number, because the mean of its divisors is an integer number (11487840).

Almost surely, 2^155426004 is an apocalyptic number.

It is an amenable number.

155426004 is an abundant number, since it is smaller than the sum of its proper divisors (258136236).

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

155426004 is a wasteful number, since it uses less digits than its factorization.

155426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227260 (or 227255 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155426004 is about 12466.9965909998. The cubic root of 155426004 is about 537.6602056431.

The spelling of 155426004 in words is "one hundred fifty-five million, four hundred twenty-six thousand, four".