158632782 has 64 divisors (see below), whose sum is σ = 397177344. Its totient is φ = 41034240.

The previous prime is 158632739. The next prime is 158632783. The reversal of 158632782 is 287236851.

158632782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158632783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144058 + ... + 145154.

It is an arithmetic number, because the mean of its divisors is an integer number (6205896).

Almost surely, 2^158632782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158632782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198588672).

158632782 is an abundant number, since it is smaller than the sum of its proper divisors (238544562).

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

158632782 is a wasteful number, since it uses less digits than its factorization.

158632782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its digits is 161280, while the sum is 42.

The square root of 158632782 is about 12594.9506549252. The cubic root of 158632782 is about 541.3327641643.

The spelling of 158632782 in words is "one hundred fifty-eight million, six hundred thirty-two thousand, seven hundred eighty-two".