158451804 has 72 divisors (see below), whose sum is σ = 461447168. Its totient is φ = 44906400.

The previous prime is 158451749. The next prime is 158451809. The reversal of 158451804 is 408154851.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158451809) 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 23 ways as a sum of consecutive naturals, for example, 29529 + ... + 34479.

Almost surely, 2^158451804 is an apocalyptic number.

158451804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158451804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230723584).

158451804 is an abundant number, since it is smaller than the sum of its proper divisors (302995364).

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

158451804 is a wasteful number, since it uses less digits than its factorization.

158451804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 158451804 is about 12587.7640587993. The cubic root of 158451804 is about 541.1268239632.

The spelling of 158451804 in words is "one hundred fifty-eight million, four hundred fifty-one thousand, eight hundred four".