157285730143 has 4 divisors (see below), whose sum is σ = 162709376040. Its totient is φ = 151862084248.

The previous prime is 157285730117. The next prime is 157285730153. The reversal of 157285730143 is 341037582751.

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

It is a cyclic number.

It is not a de Polignac number, because 157285730143 - 2¹³ = 157285721951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157285730093 and 157285730102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157285730153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711822905 + ... + 2711822962.

It is an arithmetic number, because the mean of its divisors is an integer number (40677344010).

Almost surely, 2^157285730143 is an apocalyptic number.

157285730143 is a deficient number, since it is larger than the sum of its proper divisors (5423645897).

157285730143 is an equidigital number, since it uses as much as digits as its factorization.

157285730143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423645896.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 157285730143 in words is "one hundred fifty-seven billion, two hundred eighty-five million, seven hundred thirty thousand, one hundred forty-three".