158019804 has 18 divisors (see below), whose sum is σ = 399439040. Its totient is φ = 52673256.

The previous prime is 158019769. The next prime is 158019817. The reversal of 158019804 is 408910851.

158019804 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 (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4389439 = 158019804 / (1 + 5 + 8 + 0 + 1 + 9 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2194684 + ... + 2194755.

Almost surely, 2^158019804 is an apocalyptic number.

It is an amenable number.

158019804 is an abundant number, since it is smaller than the sum of its proper divisors (241419236).

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

158019804 is a wasteful number, since it uses less digits than its factorization.

158019804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389449 (or 4389444 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 158019804 is about 12570.5928261160. The cubic root of 158019804 is about 540.6346037208.

The spelling of 158019804 in words is "one hundred fifty-eight million, nineteen thousand, eight hundred four".