158125000 has 128 divisors (see below), whose sum is σ = 421873920. Its totient is φ = 55000000.

The previous prime is 158124983. The next prime is 158125001. The reversal of 158125000 is 521851.

158125000 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 (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158125001) 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, 6874989 + ... + 6875011.

It is an arithmetic number, because the mean of its divisors is an integer number (3295890).

Almost surely, 2^158125000 is an apocalyptic number.

158125000 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 158125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210936960).

158125000 is an abundant number, since it is smaller than the sum of its proper divisors (263748920).

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

158125000 is an frugal number, since it uses more digits than its factorization.

158125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 158125000 is about 12574.7763399593. The cubic root of 158125000 is about 540.7545464552.

Adding to 158125000 its reverse (521851), we get a palindrome (158646851).

The spelling of 158125000 in words is "one hundred fifty-eight million, one hundred twenty-five thousand".