157801281300 has 144 divisors (see below), whose sum is σ = 546325241280. Its totient is φ = 38843383680.

The previous prime is 157801281289. The next prime is 157801281307. The reversal of 157801281300 is 3182108751.

157801281300 is a `hidden beast` number, since 1 + 5 + 78 + 0 + 1 + 281 + 300 = 666.

157801281300 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157801281307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2212782 + ... + 2282981.

Almost surely, 2^157801281300 is an apocalyptic number.

157801281300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157801281300 is an abundant number, since it is smaller than the sum of its proper divisors (388523959980).

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

157801281300 is a wasteful number, since it uses less digits than its factorization.

157801281300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495799 (or 4495786 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 157801281300 in words is "one hundred fifty-seven billion, eight hundred one million, two hundred eighty-one thousand, three hundred".