158290100 has 18 divisors (see below), whose sum is σ = 343489734. Its totient is φ = 63316000.

The previous prime is 158290087. The next prime is 158290109. The reversal of 158290100 is 1092851.

It is a happy number.

158290100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2439844 + 155850256 = 1562^2 + 12484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158290100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158290109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 791351 + ... + 791550.

It is an arithmetic number, because the mean of its divisors is an integer number (19082763).

Almost surely, 2^158290100 is an apocalyptic number.

158290100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158290100 is an abundant number, since it is smaller than the sum of its proper divisors (185199634).

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

158290100 is a wasteful number, since it uses less digits than its factorization.

158290100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582915 (or 1582908 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 158290100 is about 12581.3393563642. The cubic root of 158290100 is about 540.9426835227.

The spelling of 158290100 in words is "one hundred fifty-eight million, two hundred ninety thousand, one hundred".