16157143 has 4 divisors (see below), whose sum is σ = 16500960. Its totient is φ = 15813328.

The previous prime is 16157129. The next prime is 16157161. The reversal of 16157143 is 34175161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34175161 = 37 ⋅923653.

It is a cyclic number.

It is not a de Polignac number, because 16157143 - 2⁵ = 16157111 is a prime.

It is a super-2 number, since 2×16157143² = 522106539844898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157243) 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, 171838 + ... + 171931.

It is an arithmetic number, because the mean of its divisors is an integer number (4125240).

Almost surely, 2^16157143 is an apocalyptic number.

16157143 is a deficient number, since it is larger than the sum of its proper divisors (343817).

16157143 is an equidigital number, since it uses as much as digits as its factorization.

16157143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343816.

The product of its digits is 2520, while the sum is 28.

The square root of 16157143 is about 4019.5948800843. The cubic root of 16157143 is about 252.8064729472.

The spelling of 16157143 in words is "sixteen million, one hundred fifty-seven thousand, one hundred forty-three".