156250000 has 55 divisors (see below), whose sum is σ = 378417961. Its totient is φ = 62500000.

The previous prime is 156249983. The next prime is 156250027. The reversal of 156250000 is 52651.

It is a happy number.

The square root of 156250000 is 12500.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 5 ways, for example, as 898704 + 155351296 = 948^2 + 12464^2 .

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 156250000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 10 ways as a sum of consecutive naturals, for example, 31249998 + ... + 31250002.

Almost surely, 2^156250000 is an apocalyptic number.

156250000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156250000 is the 12500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156250000

156250000 is an abundant number, since it is smaller than the sum of its proper divisors (222167961).

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

156250000 is an frugal number, since it uses more digits than its factorization.

156250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The cubic root of 156250000 is about 538.6086725080.

The spelling of 156250000 in words is "one hundred fifty-six million, two hundred fifty thousand".