151582158 has 128 divisors (see below), whose sum is σ = 419865600. Its totient is φ = 39470976.

The previous prime is 151582147. The next prime is 151582177. The reversal of 151582158 is 851285151.

151582158 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 63 ways as a sum of consecutive naturals, for example, 535485 + ... + 535767.

It is an arithmetic number, because the mean of its divisors is an integer number (3280200).

Almost surely, 2^151582158 is an apocalyptic number.

151582158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151582158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209932800).

151582158 is an abundant number, since it is smaller than the sum of its proper divisors (268283442).

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

151582158 is a wasteful number, since it uses less digits than its factorization.

151582158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its digits is 16000, while the sum is 36.

The square root of 151582158 is about 12311.8706133552. The cubic root of 151582158 is about 533.1908589046.

The spelling of 151582158 in words is "one hundred fifty-one million, five hundred eighty-two thousand, one hundred fifty-eight".