157165143 has 8 divisors (see below), whose sum is σ = 209650800. Its totient is φ = 104728128.

The previous prime is 157165139. The next prime is 157165157. The reversal of 157165143 is 341561751.

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

It is not a de Polignac number, because 157165143 - 2² = 157165139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157165163) 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, 3798 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (26206350).

Almost surely, 2^157165143 is an apocalyptic number.

157165143 is a deficient number, since it is larger than the sum of its proper divisors (52485657).

157165143 is a wasteful number, since it uses less digits than its factorization.

157165143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24321.

The product of its digits is 12600, while the sum is 33.

The square root of 157165143 is about 12536.5522772411. The cubic root of 157165143 is about 539.6581546978.

The spelling of 157165143 in words is "one hundred fifty-seven million, one hundred sixty-five thousand, one hundred forty-three".