1443157143 has 8 divisors (see below), whose sum is σ = 1930777968. Its totient is φ = 958820544.

The previous prime is 1443157129. The next prime is 1443157159. The reversal of 1443157143 is 3417513441.

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

It is not a de Polignac number, because 1443157143 - 2⁴ = 1443157127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443157643) 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, 820030 + ... + 821787.

It is an arithmetic number, because the mean of its divisors is an integer number (241347246).

Almost surely, 2^1443157143 is an apocalyptic number.

1443157143 is a deficient number, since it is larger than the sum of its proper divisors (487620825).

1443157143 is a wasteful number, since it uses less digits than its factorization.

1443157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642113.

The product of its digits is 20160, while the sum is 33.

The square root of 1443157143 is about 37988.9081575136. The cubic root of 1443157143 is about 1130.0679059617.

The spelling of 1443157143 in words is "one billion, four hundred forty-three million, one hundred fifty-seven thousand, one hundred forty-three".