1545143143 has 2 divisors, whose sum is σ = 1545143144. Its totient is φ = 1545143142.

The previous prime is 1545143111. The next prime is 1545143177. The reversal of 1545143143 is 3413415451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1545143143 - 2⁵ = 1545143111 is a prime.

It is a super-3 number, since 3×1545143143³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1545143443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772571571 + 772571572.

It is an arithmetic number, because the mean of its divisors is an integer number (772571572).

Almost surely, 2^1545143143 is an apocalyptic number.

1545143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545143143 is an equidigital number, since it uses as much as digits as its factorization.

1545143143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 1545143143 is about 39308.3088290504. The cubic root of 1545143143 is about 1156.0844853005.

Adding to 1545143143 its reverse (3413415451), we get a palindrome (4958558594).

The spelling of 1545143143 in words is "one billion, five hundred forty-five million, one hundred forty-three thousand, one hundred forty-three".