158285400 has 288 divisors, whose sum is σ = 609960960. Its totient is φ = 33246720.

The previous prime is 158285383. The next prime is 158285429. The reversal of 158285400 is 4582851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 709689 + ... + 709911.

It is an arithmetic number, because the mean of its divisors is an integer number (2117920).

Almost surely, 2^158285400 is an apocalyptic number.

158285400 is a gapful number since it is divisible by the number (10) 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 158285400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304980480).

158285400 is an abundant number, since it is smaller than the sum of its proper divisors (451675560).

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

158285400 is a wasteful number, since it uses less digits than its factorization.

158285400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 158285400 is about 12581.1525704126. The cubic root of 158285400 is about 540.9373295223.

The spelling of 158285400 in words is "one hundred fifty-eight million, two hundred eighty-five thousand, four hundred".