157800664282 has 4 divisors (see below), whose sum is σ = 236700996426. Its totient is φ = 78900332140.

The previous prime is 157800664271. The next prime is 157800664291. The reversal of 157800664282 is 282466008751.

157800664282 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134235037161 + 23565627121 = 366381^2 + 153511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39450166069 + ... + 39450166072.

Almost surely, 2^157800664282 is an apocalyptic number.

157800664282 is a deficient number, since it is larger than the sum of its proper divisors (78900332144).

157800664282 is an equidigital number, since it uses as much as digits as its factorization.

157800664282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78900332143.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 157800664282 in words is "one hundred fifty-seven billion, eight hundred million, six hundred sixty-four thousand, two hundred eighty-two".