157193540281 has 16 divisors (see below), whose sum is σ = 160809707520. Its totient is φ = 153616438800.

The previous prime is 157193540279. The next prime is 157193540291. The reversal of 157193540281 is 182045391751.

157193540281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 157193540281 - 2¹ = 157193540279 is a prime.

It is a super-2 number, since 2×157193540281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157193540201) 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 15 ways as a sum of consecutive naturals, for example, 13842756 + ... + 13854106.

It is an arithmetic number, because the mean of its divisors is an integer number (10050606720).

Almost surely, 2^157193540281 is an apocalyptic number.

It is an amenable number.

157193540281 is a deficient number, since it is larger than the sum of its proper divisors (3616167239).

157193540281 is a wasteful number, since it uses less digits than its factorization.

157193540281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 157193540281 in words is "one hundred fifty-seven billion, one hundred ninety-three million, five hundred forty thousand, two hundred eighty-one".