157887143 has 8 divisors (see below), whose sum is σ = 167284512. Its totient is φ = 148502016.

The previous prime is 157887137. The next prime is 157887217. The reversal of 157887143 is 341788751.

157887143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157887143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157887094 and 157887103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157887043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47471 + ... + 50687.

It is an arithmetic number, because the mean of its divisors is an integer number (20910564).

Almost surely, 2^157887143 is an apocalyptic number.

157887143 is a deficient number, since it is larger than the sum of its proper divisors (9397369).

157887143 is a wasteful number, since it uses less digits than its factorization.

157887143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its digits is 188160, while the sum is 44.

The square root of 157887143 is about 12565.3150776254. The cubic root of 157887143 is about 540.4832699319.

The spelling of 157887143 in words is "one hundred fifty-seven million, eight hundred eighty-seven thousand, one hundred forty-three".