156745000 has 160 divisors (see below), whose sum is σ = 404870400. Its totient is φ = 56672000.

The previous prime is 156744989. The next prime is 156745013. The reversal of 156745000 is 547651.

It is a self number, because there is not a number n which added to its sum of digits gives 156745000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3334977 + ... + 3335023.

It is an arithmetic number, because the mean of its divisors is an integer number (2530440).

Almost surely, 2^156745000 is an apocalyptic number.

156745000 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 156745000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202435200).

156745000 is an abundant number, since it is smaller than the sum of its proper divisors (248125400).

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

156745000 is a wasteful number, since it uses less digits than its factorization.

156745000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 156745000 is about 12519.7843431906. The cubic root of 156745000 is about 539.1768436991.

The spelling of 156745000 in words is "one hundred fifty-six million, seven hundred forty-five thousand".